SOLIDIFYING-AGENT COMPOSITION FOR SOIL BLOCKS

The present invention relates to a solidifying-agent composition for soil blocks, and more particularly, to a solidifying-agent composition for soil blocks that comprise nylon fibers generated during crushing tires. The solidifying-agent composition of the present invention can be applied to soil blocks or to materials to be placed in a construction site, thus utilizing waste resources and preventing environmental contamination, and the soil blocks prepared using the solidifying-agent composition of the present invention exhibit excellent finishing performance, tensile strength, shock resistance, adhesive properties and resistance against exposure to alkali or ultraviolet rays. 1. A solidifying agent composition for soil blocks and in-site construction comprising 15˜35% by weights of KCl , 20˜38% by weighs of MgCl , 20˜38% by weights of NaCl , 10˜25% by weights of Cl , 3˜10% by weights of NaSO , 2˜8% by weights of NaPOand 1˜20% by weights of fiber yarns.2. The composition as claimed in wherein the fiber yarns are fiber yarns generated from crushed tires.3. The composition as claimed in wherein the fiber yarns are nylon fibers with a length less than 3 mm. This application claims the benefit of Korean Patent Application No.10-2010-0066187, filed on Jul. 9, 2010 in the Korean Intellectual Property Office, the disclosure of which is incorporated herein by reference.The present invention relates to a solidifying agent composition for soil blocks, and to a solidifying agent composition for solid blocks comprising nylon fibers generated from crushed tires.In case where architectural and civil soil blocks are prepared, applied and paved without a separate baking using a conventional solidifying agent, there are problems that deformation or crack occurs when solidifying it at room temperature. As such, prior arts have attempted to prevent a crack by mixing rice straws, but the rice straws are rotten due to moisture after a long time and thus the issue of their durability ...

CO2 EMISSION-FREE CONSTRUCTION MATERIAL MADE OF CO2

Building materials and methods of making a building material are disclosed. An exemplary method includes receiving algae; and subjecting the algae to an oil extraction process, in order to produce vegetable oil. The method further includes producing synthetic fibers by processing the vegetable oil from the oil extraction process; and processing the synthetic fibers to produce a tension and pressure resistant material. 18-. (canceled)9. A method comprising:receiving algae;subjecting the algae to an oil extraction process, in order to produce vegetable oil; producing synthetic fibers by processing the vegetable oil from the oil extraction process; andprocessing the synthetic fibers to produce a tension and pressure resistant material.10. A method according to further including the processing of synthetic fibers being able to serve as base material for the carbonization process by pyrolysis into carbon fibers.11. A method according to further including processing of synthetic fibers into aramid fibers.12. A method according to further including the usage of focused sun rays for generation of the needed high pyrolysis temperatures for the production of the carbon fibers by carbonization.13. A method according to further including coating of a pressure resistant material with the carbon fibers claim 12 , to bring the second material under preload.14. A method according to further including coating a pressure resistant material with the aramid fibers claim 11 , to bring the second material under preload.15. A method according to claim 13 , the second material consisting preferably from natural stone or cast stone or concrete.16. A method according to claim 14 , the second material consisting preferably from natural stone or cast stone or concrete.17. A method in accordance with wherein the oil extraction process includes subjecting the algae to an oil press claim 9 , in order to produce the vegetable oil.18. A method in accordance with claim 15 , characterized in that ...

PREMIXING AND DRY FIBRATION PROCESS

The process is described for the dry mixing of fibers of different types and sizes with materials formulated with cementants or agglutinant components, granular aggregates and able to include or otherwise other additional ingredients. The principal characteristics of the process are to ensure a correct incorporation of the fibers with the rest of the materials, increase the mechanical fastening of same with the rest of the components and facilitate the use of formulas with high fiber content (over-fibration). 134-. (canceled)35. A cementitious product comprising a mixture of micro-structured components , comprising:fibers having thicknesses of from about 0.02 μm to about 5008 μm and lengths of from about 0.2 mm to about 100 mm;cementants or agglutinant compounds selected from Portland cement or Puzolana cement, polymers, glass, clay, gum, elastomer, volcanic ash and combinations thereof; andsandy granular materials having particle sizes from about 400 mesh (0.037 mm) to about 25 mm.36. The cementitious product in accordance with claim 35 , wherein the fibers are organic claim 35 , inorganic claim 35 , mineral claim 35 , non mineral claim 35 , natural claim 35 , synthetic or metallic claim 35 , or mixtures thereof.37. The cementitious product in accordance with claim 35 , wherein the fibers are of the same or different thicknesses and of the same or different lengths.38. The cementitious product in accordance with claim 35 , wherein the fibers are monofilament or multifilament fibers having circular cross-sections or of other naturally occurring or synthetic forms.39. The cementitious product in accordance with claim 36 , wherein the fibers are polymer fibers selected from the group consisting of polyethylene claim 36 , polypropylene claim 36 , polyester claim 36 , polyamide claim 36 , acrylic claim 36 , polyvinyl and aramid fibers claim 36 , and are in an amorphous-cylindrical state.40. The cementitious product in accordance with claim 35 , wherein the fibers have ...

Low density particles for use in concrete and other mixtures

A lightweight composite composition includes a plurality of lightweight particles including a volume of at least about 10% of a total volume of the lightweight composite composition. The plurality of lightweight particles includes an average bulk density within a range from about 0.001 g/cc to about 1.5 g/cc and an average particle size within a range from about 0.01 microns to about 90 mm. Methods of manufacturing a lightweight composite composition are provided.

COLD FUSION CONCRETE

A cold fusion concrete formulation including a mixture of water, silicon based mineral aggregates acting as a filler material; sodium or potassium metasilicate/pentahydrate acting as an activator; waste from steel production including Granulated Ground Blast Slag acting as a cementitious ingredient; high calcium or low calcium waste from coal combustion (fly ash or bottom ash) acting as a cementitious ingredient; sodium tetraborate, sodium citrate dihydrate, citric acid, or boric acid acting as set-time retarders; strengthening agents including including calcium, potassium, magnesium, sodium, or aluminium hydroxides; attapulgite, kaolin, red, or other fine grained, high alumino silicate containing clay, for increasing the silicon and alumino-silicate concentration and associated strength; a protein or synthetic protein material to form a weak covalent bond with the hydroxides and silicates, for the purpose of maintaining a consistent volume during the curing process; and a pollinated fern oil to reduce water content of the mixture and decrease viscosity. 1. A cold fusion concrete formulation comprising:at least one aggregate selected from a group including sand, gravel, crushed stone, iron blast-furnace slag, carbon or carbonate containing aggregate materials, high silicon dioxide content alluvial quartzite deposits, mined basalt, mined marble, vermiculite, volcanic cinders, expanded glass, expanded shale, manmade and/or coal combustion by-product cenospheres, synthetic or protein air voids, and bottom ash;at least one activator selected from a group including at least one member selected from sodium metasilicate, potassium metasilicate, sodium pentahydrate and potassium pentahydrate;at least one cementitious material selected from a group including Granulated Ground Blast Furnace Slag (GGBFS), high calcium or low calcium waste from coal combustion, Portland cement, blended hydraulic cements, expansive cement, fly ash, raw or calcined natural pozzolans, silica fume, ...

TEXTILE-REINFORCED CEMENT COMPOSITE FOR SUPPRESSING OCCURRENCE OF SLIPPING AND CRACK AND METHOD OF MANUFACTURING THE SAME

Provided are a textile reinforced cement composite for suppressing occurrence of slipping and a crack and a manufacturing method thereof. The textile reinforced cement composite for suppressing occurrence of slipping and a crack can suppress slipping between a textile grid reinforcement and a cement composite by using an angulated filling material mixed therewith when a textile reinforced cement composite having a textile grid reinforcement embedded in a cement composite is manufactured, suppress occurrence of a crack of the cement composite, suppress occurrence of a crack of the cement composite due to a fiber bridging reaction by using organic fiber mixed therewith, induce distribution of fine cracks, suppress degradation of fluidity of the cement composite caused by mixing of the angulated filling material by using a spherical binder and a chemical admixture added thereto, and suppress slipping between the textile grid reinforcement and the cement composite by using a fine powder binder having a predetermined particle size and mixed therewith. 1. A textile reinforced cement composite for suppressing occurrence of slipping and a crack , the textile reinforced cement composite comprising:a cement composite formed by mixing a fine powder binder, an angulated filling material, and an organic fiber with cement so that slipping on an interface with a textile grid reinforcement and occurrence of a crack are suppressed; andthe textile grid reinforcement embedded and disposed in the cement composite to reinforce the cement composite,wherein the cement composite is formed by mixing 100 parts by weight of the cement, 40 to 60 parts by weight of a spherical binder, 10 to 30 parts by weight of the fine powder binder, 180 to 225 parts by weight of general sand, 75 to 120 parts by weight of the angulated filling material, 55 to 75 parts by weight of mixing water, 0.5 to 2.5 parts by weight of the organic fiber, and 0.1 to 0.3 parts by weight of a chemical admixture,the ...

FIBER-REINFORCED CONCRETE AND COMPOSITIONS FOR FORMING CONCRETE

Fiber-reinforced compositions for forming concrete are disclosed. A fiber-reinforced dry-cast cementitious composition includes a cementitious component, aggregate, and at least one reinforcing component selected from the group consisting of metal fibers, synthetic fibers, and rubber pieces. A fiber-reinforced non-cementitious composition includes a pozzolanic component, aggregate, and at least one reinforcing component selected from the group consisting of metal fibers, synthetic fibers, and rubber pieces. The composition excludes any cementitious component. Fiber-reinforced concrete structures obtained by hardening the above-described compositions are also disclosed. 1. A fiber-reinforced dry-cast cementitious composition comprising:a cementitious component;aggregate; andat least one reinforcing component selected from the group consisting of metal fibers, synthetic fibers, and rubber pieces.2. The cementitious composition of claim 1 , wherein the reinforcing component comprises metal fibers.3. The cementitious composition of claim 2 , wherein metal fibers comprise steel fibers.4. The cementitious composition of claim 2 , wherein the metal fibers have a length of at least 25 mm.5. The cementitious composition of claim 2 , wherein the metal fibers have a ratio of length to diameter of at least 65:1.6. The cementitious composition of claim 2 , wherein the metal fibers are present in an amount of at least five pounds per cubic yard.7. The cementitious composition of claim 1 , wherein the reinforcing component comprises synthetic fibers.8. The cementitious composition of claim 7 , wherein the synthetic fibers have a tensile strength of at least 50 ksi.9. The cementitious composition of claim 7 , wherein the synthetic fibers have a length of at least 25 mm.10. The cementitious composition of claim 7 , wherein the synthetic fibers have a ratio of length to diameter of at least 45:1.11. The cementitious composition of claim 7 , wherein the synthetic fibers are present in ...

CONCRETE VACUUM TUBE SEGMENT FOR HYPER-SPEED TRANSPORTATION SYSTEM USING ULTRA-HIGH PERFORMANCE CONCRETE (UHPC), AND MANUFACTURING METHOD THEREOF

The present invention provides a concrete vacuum tube segment for a hyper-speed transportation system using ultra-high performance concrete (UHPC) and a manufacturing method thereof. A concrete vacuum tube segment for a hyper-speed transportation system can be easily manufactured using UHPC, in which shrinkage and structural cracking do not occur due to mixing a binder and a short fiber to secure airtightness on the basis of a maximum fill theory, and accordingly, shrinkage of the concrete vacuum tube segment can be reduced even in a partial-vacuum state in which the magnitude of drying shrinkage is very small and quick drying occurs; when mixing the UHPC, an antifoaming agent is mixed and a circular vacuum pump is used to remove generated entrapped air to minimize the entrapped air; and a capsule-type crack healing material, which is able to repair fine cracks, is compacted to secure airtightness of the concrete vacuum tube segment.

WALL COMPOUNDS AND METHODS OF USE

A wall compound for use in all applications and particularly well-suited for joining adjacent wallboards. The compound includes a latex resin, a thickener, fibers, and a filler material. In some embodiments, the repair compound is configured to exhibit at least one of yield stress and pseudoplastic-type behavior. In some embodiments, the compound includes hydrophobic and hydrophilic fibers of different morphologies. In some embodiments, the wall compound includes one or more associative thickeners. 1. A wall compound comprising:a latex resin or resin binder present in an amount of about 50% by weight or less, based on the total weight of the compound;a thickener package including an alkali swellable emulsion, wherein the thickener package is present in amount of 1% by weight or less, based on the total weight of the compound;hydrophobic dry fibrillated fibers and hydrophilic fibers; anda filler material consisting of substantially spherical synthetic inorganic filler, wherein the wall compound exhibits yield stress behavior, having a yield stress value of at least 200 and no greater than 1000 Pa, and wherein the compound exhibits a Viscosity at 1500 Pa of stress of no greater than 10 Pa·s, each as measured according to the description.2. The wall compound of claim 1 , wherein the latex resin or resin binder is at least one of a vinyl acrylic polymer or copolymer claim 1 , an acrylic polymer or copolymer claim 1 , an acrylate polymer or copolymer claim 1 , a polyvinyl acetate polymer or copolymer claim 1 , an ethylene vinyl acetate polymer or copolymer claim 1 , a styrene-butadiene polymer or copolymer claim 1 , a polyacrylamide polymer or copolymer claim 1 , a natural rubber latex claim 1 , a natural starch claim 1 , a synthetic starch claim 1 , and casein.3. The wall compound of claim 1 , wherein the latex resin or resin binder is 100% acrylate.4. The wall compound of claim 1 , wherein the compound exhibits a Viscosity at 1500 Pa of stress of no greater than 9 Pa·s ...

Decorative Concrete Topping Process

Described herein is a method for preparing decorative concrete top ping which overcomes the limitations associated with epoxy Terrazzo floors. Specifically, the decorative concrete topping mixture described herein has a low crack potential, high strength and durability, much longer working time, thereby allowing for the material to be mixed in larger quantities and simplifying application. A binder composition made of Portland cement and pozzolanic materials is mixed with an decorative aggregate and other additives before pumping the concrete topping mixture onto a subfloor and allowing the concrete topping mixture to cure. 1. A method of applying a decorative concrete topping to a subfloor comprising:preparing a binder composition comprising: about 25-90% (w/w) Portland cement; and about 10-75% (w/w) pozzolanic materials; (i) an aggregate added at about 50-85% (w/w) of the binder;', '(ii) a high range water reducing additive at about 0.5-5% (w/w) of the binder;', '(iii) a hydration stabilizer at about 0.01-0.1% (w/w) of the binder;', '(iv) a shrinkage reducer at about 0.1-7.5% (w/w) of the binder; and', '(v) fiber at about 0.1-2.0% (w/w) of the binder; and, 'adding to the binder compositionmixing the concrete topping mixture;preparing a subfloor for installation of the decorative concrete topping;pumping the concrete topping mixture onto the subfloor; andallowing the concrete topping mixture to cure, thereby producing a decorative concrete topping.2. The method according to wherein the pozzolanic materials are selected from the group consisting of: fly ash type F claim 1 , fly ash type C claim 1 , biomass ash claim 1 , silica fume claim 1 , ground powder glass claim 1 , slag claim 1 , metakaolin claim 1 , calcinated clays. nanosilica claim 1 , nano-CaCO3 claim 1 , nano-metakaolin and mixtures thereof.3. The method according to wherein the binder comprises about 25-90% (w/w) Portland cement claim 2 , about 0.1-60% metakaolin and about 9.9-74.9% other pozzolanic ...

Advanced fiber reinforced concrete mix designs and admixtures systems

A concrete mix having sand, fine aggregates, binder, fibers, and various admixtures is provided. The mix has a consistency from S2 to SF3, a compressive strength in the range of 30-80 MPa and a ductility represented by fc, ffl, fR1 and fR3 values, wherein the concrete mix contains at least 390 Kg of binder, the concrete mix has a paste volume of 300-600 liters, the concrete mix contains at least two systems of fibers and a general admixture system that is composed of at least 2 sub-admixture systems.

Asphalt Cement Concrete Interlayer System for Reflective Crack Relief

An asphalt-cement concrete (“ACC”) interlayer formed of a plant-mix material reinforced with aramid fibers, deposited at a thickness of at least one inch (1″) over a Portland-cement concrete (“PCC”) or ACC base, can extend the service life of a hot-mix asphalt (“HMA”) surface layer installed over the interlayer by retarding or preventing “reflected” cracks—cracks in the surface layer that correspond to cracks, damage and irregularities in the PCC or ACC base. When the surface layer's useable life has expired, it can be removed and replaced, and the interlayer can continue to protect the new surface layer.

Compositions and methods for the introduction of reinforcement fibers in portland and asphalt cement concrete

The present invention relates to a blend of reinforcement fibers for use in a variety of applications. In particular, the blend of reinforcement fibers can be used in cementitious compositions, such as Portland cement concrete and asphalt cement concrete compositions to reduce or preclude voids and/or cracks formed in the cement concrete upon placement. The blend of reinforcement fibers includes a plurality of first fibers and a plurality of different second fibers. The first and second fibers can be different based on coarseness/fineness, melting temperature, denier and specific chemical or material composition. In certain embodiments, one of the plurality of first fibers and the plurality of different second fibers has a melting temperature that is lower than the temperature of an asphalt cement concrete composition such that the plurality of first or different second fibers serves as a carrier/buffer to improve distribution and dispersion of the fibers in the Portland or asphalt cement concrete composition.

ASPHALT FIBER METERING SYSTEM

A system for metering reinforcing aramid fibers into an asphalt mixer includes a vertical feed chute with straight walls that spans substantially a full diameter and a full length of a horizontal feed auger to feed bulk fibrous material by gravity from the feed chute in a radial direction along the length of the feed auger. The feed auger is rotated at a controlled rate proportionally to the rate of production of an asphalt and mineral aggregate mixture. A pneumatic conveying line conveys the reinforcing fibers from an outlet end of the feed auger to an asphalt mixer for mixing with the asphalt and mineral aggregate to produce a fiber reinforced asphalt concrete with an accurately proportioned amount of fiber dispersed therein. 15.-. (canceled)6. A fiber metering system for metering reinforcing fibers into an asphalt mixer , the system comprising:a feed auger assembly including a feed auger and a feed auger housing at least partially surrounding the feed auger to extend longitudinal of the feed auger from an inlet end to an outlet end of the feed auger assembly, the feed auger being rotatable relative to the feed auger housing about an auger axis of the feed auger so as to convey the reinforcing fibers longitudinal of the feed auger towards the outlet end of the feed auger assembly;a feed chute extending along a chute axis from an inlet end having an opening for receiving the reinforcing fibers therein to an outlet end in communication with the feed auger housing for delivering the reinforcing fibers to the feed auger assembly, the chute axis being oriented radially of the auger axis and extending upwardly from the feed auger assembly from the outlet end to the inlet end thereof; anda pneumatic conveying line for conveying the reinforcing fibers from the feed auger to the asphalt mixer, the pneumatic conveying line including a flow restrictor arranged to produce a suction in communication with the outlet end of the feed auger assembly for collecting the reinforcing ...

Admixture, Flowable Material, Hardened Material, and Method of Making the Same

An admixture includes a cementitious component, an unprocessed biomass component, calcium chloride, calcium carbonate, and an adhesive element. The admixture is suitable for mixing with water to form a flowable material that cures to produce a hardened material. A flowable material includes the admixture and water. A method of producing a flowable material includes turning on a mixer and adding an unprocessed biomass component to a drum of the mixer. The unprocessed biomass component is sprayed with an adhesive element to form a first composition. Calcium carbonate is added to the first composition in the mixing chamber, to form a second composition. The second composition is mixed. A cementitious component is added to the mixed second composition in the mixing chamber, to form a third composition, which is mixed with water and calcium chloride to produce the flowable material. The flowable material cures to form the hardened material. 1. An admixture , comprising:at least one cementitious component;at least one unprocessed biomass component;calcium chloride;calcium carbonate; andan adhesive element;wherein the admixture is suitable for mixing with water to form a flowable material that cures to produce a hardened material.2. The admixture of claim 1 , wherein the cementitious component includes a Portland cement.3. The admixture of claim wherein the cementitious component includes slag.4. The admixture of claim 1 , wherein the unprocessed biomass component includes unprocessed rice hulls.5 claim 1 , The admixture of claim 1 , wherein the calcium carbonate includes limestone powder.6. The admixture of claim 1 , wherein the adhesive element includes a concrete bonding agent.7. The admixture of claim 1 , composed according to the following ranges of components claim 1 , as measured by weight:the at least one cementitious component in the range of about 600-1200 parts;the at least one unprocessed biomass component in the range of about 50-300 parts;the calcium chloride ...

Modified deformed reinforcement fibers, methods of making, and uses

The invention relates to modified reinforcement fibers for use in a variety of applications. The modification includes crimping linear or straight reinforcement fibers to create a deformed or different shaped reinforcement fiber. Examples of the shaped fibers resulting from crimping include w-shaped, s-shaped, z-shaped and wedge-shaped.

PROCESS FOR THE PRODUCTION OF CEMENTITIOUS MATERIAL

The invention provides a process for the production of a cementitious material, comprising mixing cement starting materials, a healing agent and a fibrous reinforcing material, wherein the healing agent comprises bacterial material, and wherein the fibrous reinforcing material comprises a biodegradable polymer, having an average molecular weight selected from the range of 10-1500 kg/mol, and wherein the fibrous material comprises fibers having diameters selected from the range of 5-750 μm, and having lengths selected from the range of 50 μm-150 mm. 115-. (canceled)16. A process for the production of a cementitious material , comprising mixing cement starting materials , a healing agent and a fibrous reinforcing material , wherein the healing agent comprises bacterial material , wherein the fibrous reinforcing material comprises a biodegradable polymer , having an average molecular weight selected from the range of 10-1500 kg/mol , and wherein the fibrous material comprises fibers having diameters selected from the range of 5-750 μm , and having lengths selected from the range of 50 μm-150 mm.17. The process according to claim 16 , wherein the biodegradable polymer is selected from the group consisting of polybutylene succinate (PBS) claim 16 , polyhydroxybutyrate (PHB) claim 16 , and poly lactic acid (PLA).18. The process according to claim 16 , wherein the fibrous material comprises fibers having diameters selected from the range of 10-100 μm claim 16 , and having lengths selected from the range of 0.5 mm-150 mm.19. The process according to claim 16 , wherein the fibrous material comprises fibers having lengths selected from the range of 50 μm-500 μm.20. The process according to claim 16 , wherein the bacterial material is selected from the group consisting of a bacterium claim 16 , a lyophilized bacterium and a bacterial spore of a bacterium.21. The process according to claim 20 , wherein the bacterium is selected from the group consisting of aerobic bacteria.22. ...

COMPOSITIONS AND METHODS FOR THE INTRODUCTION OF REINFORCEMENT FIBERS IN PORTLAND AND ASPHALT CEMENT CONCRETE

The present invention relates to a blend of reinforcement fibers for use in a variety of applications. In particular, the blend of reinforcement fibers can be used in cementitious compositions, such as Portland cement concrete and asphalt cement concrete compositions to reduce or preclude voids and/or cracks formed in the cement concrete upon placement. The blend of reinforcement fibers includes a plurality of first fibers and a plurality of different second fibers. The first and second fibers can be different based on coarseness/fineness, melting temperature, denier and specific chemical or material composition. In certain embodiments, one of the plurality of first fibers and the plurality of different second fibers has a melting temperature that is lower than the temperature of an asphalt cement concrete composition such that the plurality of first or different second fibers serves as a carrier/buffer to improve distribution and dispersion of the fibers in the Portland or asphalt cement concrete composition. 1. A reinforcement composition for cement concrete , comprising: a plurality of first fibers; and', 'a plurality of different second fibers,, 'a blend of reinforcement fibers, comprisingwherein the blend of reinforcement fibers is introduced and distributed into the cement concrete composition prior to its field placement.2. The composition of claim 1 , wherein the blend of reinforcement fibers is in the form of individual fibers claim 1 , one or more bundles claim 1 , one or more containers and combinations thereof.3. The composition of claim 2 , wherein each of the containers comprises a core which comprises the blend of reinforcement fibers and an outer layer encompassing the core claim 2 , the outer layer constructed such that it is capable to at least partially dissolve claim 2 , melt claim 2 , disintegrate or break apart under particular conditions in order to release the reinforcement fibers contained within the core.4. The composition of claim 2 , ...

REINFORCING FIBER AND MATERIAL FORMED THEREWITH

A reinforcing fiber and reinforced material, which includes a fiber having a first radical wave therein, wherein said first radical wave includes an amplitude of between about 0.5 to 1 cm and a wave run width of about 0.05 to about 0.3 cm, and a leading run and trailing run of at least about 0.75. 1. A reinforcing fiber , which includes:a polymer fiber having a first radical wave therein, wherein said first radical wave includes an amplitude of between about 0.5 to 1 cm and a wave run width of about 0.05 to about 0.3 cm, and a leading run and trailing run of at least about 0.75 cm, wherein said wave includes a leading edge and a trailing edge which are generally normal to said leading run and said trailing run and form part of generally square wave.2. (canceled)3. The reinforcing fiber of claim 1 , wherein said polymer fiber cross-sectional width can preferably be between 0.2 to 0.3 cm. and a linear density between about 2500 to 4500 Denier.4. The reinforcing fiber of claim 1 , having a second radical wave therein claim 1 , wherein said second radical wave includes an amplitude of between about 0.5 to 1 cm and a wave run width of about 0.05 to about 0.3 cm claim 1 , and a leading run and trailing run of at least about 0.75 claim 1 , wherein said leading run of said first radical wave interconnects said trading run of said second radical wave.5. The reinforcing fiber of claim 4 , wherein at least of said leading run of said second radical wave and said trailing run of said first radical wave are separated by about 1.5 cm.6. A reinforced material claim 4 , which includes:a concrete material,a plurality of polymer fibers substantially uniformly distributed and randomly oriented in said matrix material, each said polymer fiber having a first radical wave therein, wherein said first radical wave includes an amplitude of between about 0.5 to 1 cm and a wave run width of about 0.05 to about 0.3 cm, and a leading run and trailing run of at least about 0.75, wherein said ...

Method and Composition for Reinforcing Asphalt Cement Concrete

Reinforcing fibers, such as aromatic polyamide (“aramid”) fibers, are treated by coating with or embedding in a binder such as a Fischer-Tropsch wax. The treated fibers are divided into suitably-sized units, which are added to bitumen, aggregate and other ingredients in an asphalt cement concrete mix. The units shed fibers into the mix during the manufacturing process so that the fibers are distributed fairly evenly throughout the asphalt mixture. The binder may also impart beneficial qualities to the finished asphalt concrete. 1. A reinforcing fiber additive to strengthen asphalt cement concrete , comprising:a bundle of aramid fiber filaments, each such filament having a high working temperature and a length between about 8 mm and about 100 mm, said bundle of aramid fiber filaments treated with a binding agent to impede friation of the bundle until the binding agent is released by mixing the bundle into an asphalt cement concrete mixture.2. The reinforcing fiber additive of wherein the bundle contains between about 250 aramid fiber filaments and about 15 claim 1 ,000 aramid fiber filaments.3. The reinforcing fiber additive of wherein substantially all of the aramid fiber filaments are of similar length.4. The reinforcing fiber additive of wherein the aramid fiber filaments are of differing lengths.5. The reinforcing fiber additive of wherein substantially all of the aramid fiber filaments are oriented parallel to each other.6. The reinforcing fiber additive of wherein the aramid fiber filaments are oriented randomly.7. The reinforcing fiber additive of wherein the binding agent is a wax.8. The reinforcing fiber additive of wherein the binding agent is a Fischer-Tropsch wax having a melting point of about 95° C. This U.S. patent application is a proper divisional of U.S. application Ser. No. 14/031,002 filed 18 Sep. 2013, currently pending.The invention relates generally to a reinforcement composition and method of reinforcing asphalt and asphalt-concrete composite ...

FIBER-REINFORCED CONCRETE AND COMPOSITIONS FOR FORMING CONCRETE

Fiber-reinforced compositions for forming concrete are disclosed. A fiber-reinforced dry-cast cementitious composition includes a cementitious component, aggregate, and at least one reinforcing component selected from the group consisting of metal fibers, synthetic fibers, and rubber pieces. A fiber-reinforced non-cementitious composition includes a pozzolanic component, aggregate, and at least one reinforcing component selected from the group consisting of metal fibers, synthetic fibers, and rubber pieces. The composition excludes any cementitious component. Fiber-reinforced concrete structures obtained by hardening the above-described compositions are also disclosed. 1. A dry-cast cementitious composition comprising:a cementitious component;aggregate;at least one reinforcing component selected from the group consisting of metal fibers and rubber pieces; andwater provided in a ratio to the cementitious component of approximately 0.35 or less.2. The cementitious composition of claim 1 , wherein the reinforcing component comprises metal fibers.3. The cementitious composition of claim 2 , wherein metal fibers comprise steel fibers.4. The cementitious composition of claim 2 , wherein the metal fibers have a length of at least 25 mm.5. The cementitious composition of claim 2 , wherein the metal fibers have a ratio of length to diameter of at least 65:1.6. The cementitious composition of claim 2 , wherein the metal fibers are present in an amount of at least five pounds per cubic yard.7. The cementitious composition of claim 1 , wherein the reinforcing component further comprises synthetic fibers.8. The cementitious composition of claim 7 , wherein the synthetic fibers have a tensile strength of at least 50 ksi.9. The cementitious composition of claim 7 , wherein the synthetic fibers have a length of at least 25 mm.10. The cementitious composition of claim 7 , wherein the synthetic fibers have a ratio of length to diameter of at least 45:1.11. The cementitious ...

MODIFIED DEFORMED REINFORCEMENT FIBERS, METHODS OF MAKING, AND USES

The invention relates to modified reinforcement fibers for use in a variety of applications. The modification includes crimping linear or straight reinforcement fibers to create a deformed or different shaped reinforcement fiber. Examples of the shaped fibers resulting from crimping include w-shaped, s-shaped, z-shaped and wedge-shaped. 1. A cementitious composition , comprising:a plurality of reinforcement fibers having a length; and a deformation formed in the length, wherein the deformation includes at least one crimp, the reinforcement fiber composed of a material selected from the group consisting of polymer, aramid, nylon and blends thereof;cement; andwater.2. The cementitious composition of claim 1 , wherein the deformation includes six crimps in the length.3. The cementitious composition of claim 1 , wherein the plurality of fibers is composed of material selected from the group consisting of polyolefin claim 1 , aramid claim 1 , and nylon and mixtures thereof.4. The cementitious composition of claim 1 , wherein the plurality of fibers is composed of material selected from the group consisting of polyethylene claim 1 , polypropylene claim 1 , and aramid and mixtures thereof.5. A method of preparing a fiber-containing cementitious composition or drilling composition claim 1 , comprising:providing a plurality of original reinforcement fibers having a substantially linear shape;forming a deformation in the plurality of original reinforcement fibers by forming at least one crimp in the linear shape of the fibers;deforming the linear shape of the plurality of original reinforcement fibers to produce a plurality of modified reinforcement fibers; andmixing the plurality of modified reinforcement fibers in a cementitious composition or a drilling fluid.6. The method of claim 5 , wherein the deforming of the linear shape comprises a reinforcement fiber having a shape selected from the group consisting of w-shaped claim 5 , s-shaped claim 5 , z-shaped and wedge-shaped ...

Method & Composition for Improving Asphalt Cement Concrete Characteristics

Reinforcing filaments or fibers, such as aromatic polyamide (aramid) fibers, can be reliably measured and consistently mixed into asphalt cement concrete by soaking the fibers in a wetting agent, then severing them to a desired length, and mixing the segments with other ACC ingredients. The wetting agent holds the fibers together loosely, so they can be distributed more uniformly throughout the ACC without clumping. The wetting agent soaks into the ACC mixture and/or evaporates, leaving the reinforcing fibers behind. 114-. (canceled)15. A ready-to-use additive for improving characteristics of asphalt cement concrete , comprising:a plurality of aramid fiber yarn segments soaked with a wetting agent, each segment comprising a plurality of aramid filaments of similar length bound loosely together by surface tension of the wetting agent; andan airtight container to prevent the wetting agent from evaporating, whereinthe plurality of soaked aramid fiber yarn segments are stored in the airtight container so that the wetting agent does not evaporate prior to addition of the aramid fiber yarn segments to an asphalt cement concrete mixture.16. The ready-to-use additive of wherein the wetting agent is substantially composed of water.17. The ready-to-use additive of wherein the wetting agent comprises a surfactant.18. The ready-to-use additive of wherein the wetting agent comprises a pH modifier.19. The ready-to-use additive of wherein the wetting agent comprises a colorant.20. The ready-to-use additive of wherein the wetting agent comprises an odorant.21. A ready-to-use additive for improving characteristics of cold-mix asphalt cement concrete claim 16 , consisting essentially of:a plurality of aramid fiber segments, each segment having a length between about 8 mm and about 100 mm;a wetting agent that exists as a liquid at a temperature between about 0° C. and about 50° C., the plurality of aramid fiber segments soaked with the wetting agent; andan airtight container to ...

WALL COMPOUNDS AND METHODS OF USE

A wall compound for use in all applications and particularly well-suited for joining adjacent wallboards. The compound includes a latex resin, a thickener, fibers, and a filler material. In some embodiments, the repair compound is configured to exhibit at least one of yield stress and pseudoplastic-type behavior. In some embodiments, the compound includes hydrophobic and hydrophilic fibers of different morphologies. In some embodiments, the wall compound includes one or more associative thickeners.

GEOPOLYMER CEMENT PRODUCED FROM RECYCLED GLASS AND METHOD FOR PRODUCING SAME

“GEOPOLYMER CEMENT MADE FROM RECYCLED GLASS AND ITS MANUFACTURING PROCESS”, the present invention relates to a geopolymer cement from recycled glass and its manufacturing process that, according to its characteristics, can produce geopolymer cement in its own and specific binding structure of a rigid solid type, made from recycled glass (waste), alkalis and water, and obtained directly by milling, homogenization, alkalinization and curing at room temperature, or forced curing of its components, and it can be used, in an extremely convenient, safe and cost-effective manner, as a new geopolymer matrix to replace the traditional ones made from metakaolin, blast furnace slag, fly ash or volcanic rock in various applications—to manufacture cement slabs, concrete, fiber composites and materials for coatings, aligned with an eco-friendly concept for complete reuse of this waste which is disposed in the environment. 1. Geopolymer cement produced from recycled glass and method for producing same , characterized for being comprised of a geopolymer cement with a binder in the rigid solid form , obtained from a specific process , from a general composition of recycled glass (waste) , alkalis and water , at defined proportions , being the formulation and , consequently , the amounts used directly based on the intended applications.2. Geopolymer cement produced from recycled glass and method for producing same claim 1 , according to and characterized for being comprised of a general composition in which its basic formulation includes a range of forty-five to eighty percent recycled glass;half to five percent alkalis; and twenty to fifty-five percent water, being all of the other geopolymer cement characteristics preserved.3. Geopolymer cement produced from recycled glass and method for producing same claim 1 , according to claim 1 , characterized for being comprised of alkalis claim 1 , which are potassium hydroxide or sodium hydroxide claim 1 , being all of the other geopolymer ...

SURFACE TREATMENT FOR CONCRETE REINFORCEMENT

Described herein are reinforcing members for use in fabricating reinforced concrete, as well as methods of fabricating such reinforcing members. A reinforcing member can include a central reinforcement element and a supplementary cementitious material coated on the central reinforcement element. A method can including applying the supplementary cementitious material to the central reinforcement element, placing concrete around the reinforcing member, and allowing the concrete to cure. The supplementary cementitious material can be a pozzolan. 1. A method , comprising:placing concrete around a reinforcement element to which supplementary cementitious material is secured; andallowing the concrete to cure.2. The method of claim 1 , wherein the reinforcement element is steel rebar.3. The method of claim 1 , wherein the reinforcement element is a glass-fiber-reinforced polymer rebar.4. The method of claim 1 , wherein the reinforcement element is a carbon-fiber-reinforced polymer rebar.5. The method of claim 1 , wherein the reinforcement element comprises a plurality of randomly distributed discontinuous fibers made of steel claim 1 , synthetic claim 1 , glass claim 1 , carbon claim 1 , natural materials claim 1 , or cellulose.6. The method of claim 1 , wherein the supplementary cementitious material is a pozzolan.7. The method of claim 1 , wherein the supplementary cementitious material is silica fume.8. The method of claim 1 , wherein the supplementary cementitious material is metakaolin.9. A method claim 1 , comprising:applying a binder to a reinforcement element; andapplying supplementary cementitious material to the reinforcement element with the binder, so as to secure the supplementary cementitious material to the reinforcement element.10. The method of claim 9 , wherein the binder is an adhesive and the supplementary cementitious material is applied to the reinforcement element by mixing the supplementary cementitious material with the adhesive and applying the ...

Admixture, Flowable Composition, Hardened Material, Structural Components, and Methods of Making the Same

An admixture includes a first cementitious component, at least one unprocessed biomass component, calcium carbonate, an adhesive element, slag, amorphous silica, a water reducer, and fibers. The admixture is suitable for mixing with at least water to form a flowable material that cures to produce a hardened article. A method of producing a flowable material includes turning on a mixer and adding an unprocessed biomass component to a drum of the mixer. The unprocessed biomass component is sprayed with an adhesive element to form a first composition. Calcium carbonate is added to the first composition in the mixing chamber, to form a second composition. The second composition is mixed. A cementitious component is added to the mixed second composition in the mixing chamber, to form a third composition, which is mixed with water and calcium chloride to produce the flowable material. The flowable material cures to form the hardened material.

MULTI-LAYER GYPSUM BOARD AND RELATED METHODS AND SLURRIES

Disclosed is a composite gypsum board comprising a board core and a concentrated layer, as well as related methods of preparing board and slurries. The board core and the concentrated layer both are formed from water and stucco. The concentrated layer is designed to have higher density and/or nail pull than the core. The concentrated layer is further formed from one or more of starch thickener, cellulose, and/or copolymer containing polyacrylamide and acrylic acid. In some embodiments, the concentrated layer is formed from an enhancing additive to enhance strength therein, while the core is formed without using enhancing additive or less enhancing additive than used in forming the board core. 1. A composite gypsum board comprising:(a) a board core comprising set gypsum formed from a first slurry comprising water and stucco, the core having first and second core faces; and (i) starch thickener,', '(ii) cellulose, and/or', '(iii) copolymer containing polyacrylamide and acrylic acid., '(b) a concentrated layer disposed in bonding relation to the first core face and formed from a second slurry comprising water, stucco, and at least one of the following2. The composite gypsum board of claim 1 , wherein the first slurry is substantially free of (i) starch thickener claim 1 , (ii) cellulose claim 1 , and (iii) copolymer containing polyacrylamide and acrylic acid.3. The composite gypsum board of claim 1 , wherein the starch thickener claim 1 , cellulose claim 1 , and/or copolymer increases the viscosity of the first slurry by at least about 100% within 30 seconds.4. The composite gypsum board of claim 1 , the board core having first and second faces and a first thickness;the concentrated layer having a second thickness, the first thickness being greater than the second thickness; andthe concentrated layer having a first face and a second face, the concentrated layer first face facing the board core first core face, the board further comprising a top cover sheet facing the ...

Aramid fiber reinforcement for asphalt and asphalt mixture containing it and asphalt pavement method using it

The present invention relates to an asphalt mixture including an aramid fiber reinforcement material for asphalt and an asphalt paving method using the same. An objective of the present invention is to reinforce the properties of asphalt by using the properties of aramid fiber and induce a uniform distribution of aramid fiber by controlling the viscosity of the asphalt to reinforce all parts of the asphalt evenly. The asphalt mixture including an aramid fiber reinforcement material for asphalt according to the present invention is composed of asphalt, aggregate, and an aramid fiber reinforcement material for asphalt. The aramid fiber reinforcement material for asphalt is made by forming a coating layer of a medium temperature additive on aramid fibers. The medium temperature additive is a viscosity and friction reducing agent that is mixed and coated with the aramid fibers in a ratio of 1 : 0.9 to 1.1 based on weight and melts when mixed with asphalt to reduce the viscosity of the asphalt to induce the uniform mixing of the aramid fibers. The asphalt mixture is manufactured by wet mixing in which the asphalt and the aggregate are first mixed, and then 0.8 to 3 parts by weight of the aramid fiber reinforcement material for asphalt is mixed with respect to 100 parts by weight of the asphalt at a temperature at which the coating layer of the aramid fiber reinforcement material for asphalt is melted.

High-performance flowing cement mortar composition and surface protection method of concrete structures using the composite

The present invention relates to a cement mortar composition comprising 10 to 60 wt% of rapidly-hardening binder, 10 to 60 wt% of fine aggregate, 0.01 to 30 wt% of polymer admixture and 0.1 to 30 wt% of water, wherein the polymer admixture comprises 75 to 99 wt% of methyl methacrylate-styrene, 0.1 to 10 wt% of methyl methacrylate-butadiene, 0.1 to 10 wt% of butylacrylate-styrene, 0.1 to 10 wt% of acrylonitrile and 0.01 to 5 wt% of vinyl acetate; and a surface protection method of a concrete structure. According to the present invention, the service period of a concrete structure can be increased, operation and maintenance costs thereof can be reduced, and constructability thereof can be improved as construction is facilitated by excellent strength, durability, and flowability, construction period is reduced by rapidly hardening, construction costs can be reduced, repairing period can be reduced, and field applicability, workability, pavement waterproofing layer protection, chloride penetration resistance, durability and adhesion and water resistance are excellent.

Multifunctional High Efficient Asphalt Concrete Composition Using Eco-friendly Special Additive and Construction Method Using the Same

The present invention relates to a method for manufacturing multifunctional high-performance asphalt concrete using an environment-friendly special additive, and an asphalt concrete construction method using the same. An object of the present invention is to increase binding force of asphalt concrete and to prevent environmental pollution, by using a straw fiber and pozzolan, which are environment-friendly materials, as a main component of an additive. To this end, the present invention adds an additive to asphalt concrete formed by binding aggregates such as sand and gravel with molten asphalt, wherein the additive includes: 25-35 parts by weight of a straw fiber; 2-3 parts by weight of coumarone resin; 55-60 parts by weight of pozzolan; 3-7 parts by weight of charcoal powder; 2-3 parts by weight of natural rubber; and 2-3 parts by weight of gilsonite.

Cross section recovery method using polymer mortar with excellent separation resistance in water by improving water tightness and material separation by including hard calcium carbonate and natural high performance thickener Xanthan gum and polymer mortar composition

The present invention relates to a cross section repair method using polymer mortar having excellent underwater separation resistance by improving watertightness and material separability by including hard calcium carbonate and natural high-performance thickener xanthan gum. According to the present invention, the cross section repair method comprises: a chipping processing step; a high-pressure water washing step; a concrete adhesive applying step; a cross section repair polymer mortar laying step; and a curing and finishing step. According to the present invention, the construction efficiency can be prevented from deteriorating.

Eco-friendly mortar composition with improved durability and chemical resistance for repairment and reinforcement of structure and method of repairing and reinforcing structure using the same

The present invention relates to an eco-friendly mortar composition for repairing and reinforcing a structure with excellent durability and chemical resistance, and a method of repairing and reinforcing a structure by using the eco-friendly mortar composition, and more particularly, the present invention provides a mortar composition for repair and reinforcement and a method of repairing and reinforcing a concrete structure by applying the mortar composition, which is easily installed on a surface or a section of the concrete structure by a repair work, has excellent adhesion and durability as well as fire resistance and chemical resistance so as to be suitable for a repair work in harsh environments, and has a low rebound and excellent physical properties such as compressive strength and bending strength.

Eco-friendly mortar composition for repairing and reinforcing structures, and method of repairing and reinforcing structures using the same

The present invention relates to an environmentally friendly mortar composition for repairing and reinforcing a structure, and a construction method for repairing and reinforcing a structure using the same. More specifically, the environmentally friendly construction method for repairing and reinforcing a concrete structure provided to repair the concrete structure requiring a repair on a cross section is able to: be used for a repair work of concrete under water such as sea water by having a great shielding effect of chloride ion as well as suppressing neutralization as exerting a self-defense function gradually over time after the repair work; maintain repaired and reinforced effects for long time by improving long-term durability and adhesion strength with a concrete structure; improve structural density and increase adhesion strength with concrete while increasing an economic effect by recycling resources wasted as industrial byproducts; and maximize a reinforcing effect by treating a mortar surface with a surface coating agent improving a surface reinforcing function and having a self-defense function while reinforcing adhesion strength, weather resistance and mechanical properties. The environmentally friendly repairing and reinforcing method of the present invention comprises: a step of processing the cross section of a concrete structure by chipping until an undamaged part comes out; a step of applying a mortar composition to the processed concrete section; and a step of applying a surface coating agent on the surface to which the mortar composition is applied.

에너지 절약형 축열 건자재와 그 제조방법

본 발명은 에너지 절약형 축열 건자재와 그 제조방법에 관한 것으로, 그 목적은 축열미립자를 건축 건자재에 혼입하여, 건축 건자재가 열저장 및 열공급 기능을 구비하도록 하고, 이를 통해 건축물의 에너지 관리효율을 향상시킬 수 있는 에너지 절약형 축열 건자재와 그 제조방법을 제공하는 것이다. 본 발명은 건축용 마감재로 사용되는 건축 건자재에 있어서; 상기 건축 건자재는 파라핀계 상변화물질로 이루어진 축열미립자가 함유하도록 되어 있다. 즉, 상기 건축 건자재는 무기재 40∼50wt%, 유기재 10∼15wt%, 축열미립자 20∼40wt%, 골재 8∼15wt%, 크랙방지제 0.1∼0.5wt%, 속경재 1.0∼1.5wt%로 이루어져 있다. 축열건자재, 건축자재, 축열미립자, 파라핀계, 냉난방효율

Cement mortar composition with improved functionality and method for repairing concrete structure therewith

The present invention relates to a functional improved cement mortar composition and a method of repairing and reinforcing a concrete structure using the same including: 3 to 50 wt% of a functional binder, 3 to 90 wt% of fine aggregate, 0.01 to 25 wt% of a reforming admixture, and 0.01 to 25 wt% of water. The reforming admixture is formed with 20 to 99 wt% of a vinyl acetate-styrene copolymer, 0.1 to 30 wt% of polysulfone, 0.1 to 25 wt% of polyvinylidene chloride, 0.01 to 25 wt% of a styrene-butadiene-acrylic acid copolymer, and 0.1 to 25 wt% of a vinyl acetate-butyl maleate copolymer. Accordingly, the present invention has an effect of improving functionalities, surface hardening, strength, and durability by latent hydraulic properties and pozzolanic reactions.

Methods of completing a well and apparatus therefor

A method can include conveying a dispensing tool through a wellbore, the dispensing tool including an enclosure containing plugging devices, and then opening the enclosure by cutting a material of the enclosure, thereby releasing the plugging devices from the enclosure into the wellbore at a downhole location. A dispensing tool can include a container having an enclosure therein, the enclosure including a flexible material that contains the plugging devices, and an end of the enclosure being secured to a member displaceable by an actuator. The enclosure material is cut in response to displacement of the member by the actuator. A plugging device can include at least one body configured to engage an opening in the well and block fluid flow through the opening, and multiple fibers including staple fibers or filaments formed into yarn.

다단 폴리머를 포함하는 경화성 조성물

본 발명은 (메트)아크릴 모노머, 에틸렌성 불포화 올리고머 및 특정 다단 폴리머 첨가제를 포함하는 경화성 조성물에 관한 것이다. 첨가제는 조성물의 중합 동안 경화 수축을 감소시키고 균열의 형성을 감소시키거나 방지하기 위한 가공 보조제로서 사용된다.

Quick-hardening cement concrete composition using modified sulfur nano solution and road repairing method using the same

The present invention relates to a fast-hardening cement concrete composition containing a modified sulfur nano-aqueous solution which comprises a fast-hardening binder, fine aggregate, coarse aggregate, water, a modified sulfur nano-aqueous solution, and a performance improving admixture. The fast-hardening binder comprises early-strength Portland cement, calcium sulfoaluminate, gypsum, silicon nitride nanofibers, calcium nitrite, nepheline syenite, nylon fiber, and vitrified. The modified sulfur nano-aqueous solution is manufactured by a manufacturing method comprising a step of obtaining modified sulfur comprising dicyclopentadiene acrylate monomer represented by chemical formula 1; a step of obtaining a uniform W/O emulsion; and a step of electrolysis. The performance-improving admixture comprises styrene-isoprene-butadiene copolymer, dimethyldichlorosilane, fluoroethylene carbonate, an alkylphosphonic acid compound represented by chemical formula 2, isosorbide, octoxynol, and a cuticle layer extract of camellia leaves. The fast-hardening cement concrete composition containing the modified sulfur nano-aqueous solution of the present invention exhibits excellent self-healing performance and exhibits high durability and high strength in an early stage. In chemical formula 1, R1 is H or a linear or branched C1 to C4 alkyl group, and n is an integer from 0 to 5. In chemical formula 2, R2 is a linear or branched C1-C4 alkyl group, and x is 0 or 1.

Latex modified concrete composition comprising fibrous reinforcement

본 발명은 시멘트, 라텍스, 및 골재를 포함하는 라텍스 개질 콘크리트 조성물에 관한 것으로서, 특히, 섬유 보강재를 시멘트 100 중량부에 대하여 0.5 내지 1.5 중량부의 함량으로 추가로 포함하는 라텍스 개질 콘크리트 조성물에 관한 것이다. The present invention relates to a latex modified concrete composition comprising cement, latex, and aggregate, and more particularly, to a latex modified concrete composition further comprising a fiber reinforcement in an amount of 0.5 to 1.5 parts by weight based on 100 parts by weight of cement. 본 발명에 따르면 교량의 라텍스 개질 콘크리트(LMC) 포장 구간에서 발생하는 균열을 방지할 수 있으며, 휨인성의 향상, LMC포장의 부분 파손시 콘크리트의 탈리 방지 및 직사광선에 의한 포장체의 열화현상 진행을 억제하고, 차선의 선명도를 향상시킨 다기능성 교면 포장체를 시공할 수 있다. According to the present invention, it is possible to prevent cracks generated in the latex modified concrete (LMC) paving section of the bridge, to improve the flexural toughness, to prevent the detachment of concrete during partial breakage of the LMC pavement, and to progress the deterioration of the package by direct sunlight. It is possible to construct a multifunctional cross-linked package that suppresses and improves the sharpness of the lane. 라텍스 개질 콘크리트, 섬유 보강재, 휨인성, 카본 블랙 Latex modified concrete, fiber reinforcement, flexural toughness, carbon black

Compositions and methods for the introduction of reinforcement fibers in Portland and asphalt cement concrete

The present invention relates to a blend of reinforcement fibers for use in a variety of applications. In particular, the blend of reinforcement fibers can be used in cementitious compositions, such as Portland cement concrete and asphalt cement concrete compositions to reduce or preclude voids and/or cracks formed in the cement concrete upon placement. The blend of reinforcement fibers includes a plurality of first fibers and a plurality of different second fibers. The first and second fibers can be different based on coarseness/fineness, melting temperature, denier and specific chemical or material composition. In certain embodiments, one of the plurality of first fibers and the plurality of different second fibers has a melting temperature that is lower than the temperature of an asphalt cement concrete composition such that the plurality of first or different second fibers serves as a carrier/buffer to improve distribution and dispersion of the fibers in the Portland or asphalt cement concrete composition.

Repair and reinforcement for concrete structures

본 발명은 건축물, 지하 구조물, 갓길교량 구조물 또는 교각 등의 콘크리트 구조물의 표면을 마감하거나 보수할 때 이용되는 용융유리화 분말 및 셀락이 혼합된 콘크리트 구조물의 보수보강재에 관한 것으로, 더욱 상세하게는, 보수 후 건조가 빠르고 작업 후 어떠한 유해 물질의 방출이나 냄새 등이 없고, 들뜸 현상이나 균열이 생기지 않도록 하며, 포름알데히드와 같은 인체에 유해한 성분의 방사를 억제하며, 뛰어난 내수성을 가지며, 내열성이 우수하여 방염기능을 촉진시킴과 동시에 단열성, 방수성, 난연성, 내화학성, 내후성 및 방오성 등의 물성이 향상되는 용융유리화 분말 및 셀락이 혼합된 콘크리트 구조물의 보수보강재에 관한 것이다. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a repair reinforcement material of a concrete structure in which a molten vitrification powder and a cell rock are mixed together for finishing or repairing a surface of a concrete structure such as a building, an underground structure, a shoulder bridge structure, After drying, it does not release any toxic substances and odor, does not cause lifting phenomenon and cracks, suppresses radiation of harmful components such as formaldehyde, has excellent water resistance, and has excellent heat resistance. And to a repair reinforcement material of a concrete structure in which a molten vitrification powder and a cell rock are mixed in which physical properties such as heat insulation, water resistance, flame retardancy, chemical resistance, weather resistance and antifouling property are improved.

Synthetic fibers and cementitious systems including same

The present invention discloses novel fibers for use as secondary reinforcement materials in cementitious composites, which fibers are effective in preventing cracking far better than prior art fibers. Also disclosed are methods of producing the fibers and methods for producing cementitious composite containing the fibers.

Cold concrete

FIELD: chemistry. SUBSTANCE: invention relates to a composition of cold concrete (embodiments), comprising a mixture of water, aggregates of silicon-based minerals, acting as filler material; sodium or potassium metasilicate pentahydrate, which acts as an activator; wastes of steelmaking production, including granular ground blast-furnace slag acting as a binding ingredient; wastes with high or low content of calcium from coal combustion (fly ash or ash residue), acting as binding ingredient; sodium tetraborate, dihydrate of sodium citrate, citric acid or boric acid acting as retarders of setting time; reinforcing agents, including calcium, potassium hydroxide, magnesium, sodium or aluminum; attapulgite, kaolin, red clay or other fine-grained clays with high content of aluminosilicates to increase concentration of silicon and aluminosilicates and associated strength; protein or synthetic protein material to form a weak covalent bond with hydroxides and silicates, in order to maintain constant volume during setting process; and essential oil essential oil to reduce content of water in mixture and reduce viscosity. EFFECT: technical result is reduced formation of greenhouse gases, high physical and mechanical properties of concrete. 9 cl, 6 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК C04B 28/00 C04B 24/08 C04B 28/08 C04B 22/08 C04B 111/20 (11) (13) 2 721 049 C1 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C04B 28/02 (2019.08); C04B 28/00 (2019.08); C04B 28/08 (2019.08); C04B 22/08 (2019.08); C04B 2111/20 (2019.08) (21)(22) Заявка: 2019105708, 31.07.2017 31.07.2017 (73) Патентообладатель(и): ГЕОПОЛИМЕР СОЛЮШНЗ ЭлЭлСи (US) Дата регистрации: 15.05.2020 04.08.2016 US 15/228,781 (45) Опубликовано: 15.05.2020 Бюл. № 14 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.03.2019 (86) Заявка PCT: 2 7 2 1 0 4 9 (56) Список документов, цитированных в отчете о ...

Cement comprising anisotropic polymer particles, cement paste, consolidated material, preparation and uses

The invention concerns a cement comprising at least a hydraulic binder and anisotropic polymer particles whereof the modulus of elasticity is not more than 10 GPa and whereof the longest dimension ranges on an average between 0.6 and 6 mm. The invention also concerns a cement paste and the corresponding consolidated material, the method for obtaining the cement, the paste and the material and their uses in the building sector, in public works and in oil and gas extraction.

Cement comprising anisotropic polymer particles, cementitious paste, consolidated material, preparation and uses

A cement is disclosed containing at least a hydraulic binder and anisotropic polymer particles whereof the modulus of elasticity is not more than 10 GPa and whereof the longest dimension ranges on an average between 0.6 and 6 mm. The cement is used in oil and gas extraction.

A solidification agent composition for soil block

PURPOSE: An environmentally-friendly soil block solidifying composition is provided to prevent environmental contamination by using waste resources and by containing nylon fibers generated from crushed tires. CONSTITUTION: An environmentally-friendly soil block solidifying composition contains 15~35wt% of KCI, 20~38wt% of MgCl_2, 20~38wt% of NaCl, 10~25wt% of Cl_2, 3~10wt% of Na_2SO_4, 2~8wt% of NaP_3O_10, and 1~20wt% of fiber yarn. The fiber yarn is a nylon fiber with a length shorter than 3 millimeters and generated from crushed tires.

Fiber-reinforced concrete and compositions for forming concrete

Fiber-reinforced compositions for forming concrete are disclosed. A fiber-reinforced dry-cast cementitious composition includes a cementitious component, aggregate, and at least one reinforcing component selected from the group consisting of metal fibers, synthetic fibers, and rubber pieces, A fiber-reinforced non-cementitious composition includes a pozzolanic component, aggregate, and at least one reinforcing component selected from the group consisting of metal fibers, synthetic fibers, and rubber pieces. The composition excludes any cementitious component. Fiber-reinforced concrete structures obtained by hardening the above-described compositions are also disclosed.

A High Strength Concrete Composition With Fire Resistance And Concrete Using It

본 발명은 적절한 시공성과 고강도를 나타냄과 동시에 내화성이 우수한 콘크리트 조성물 및 이를 이용해 제조되는 콘크리트에 관한 것으로, 더욱 상세히는 코팅 액이 표면에 처리된 섬유보강재를 콘크리트에 혼입함에 의해 분산성이 확보되도록 하여 적절한 시공성 즉 유동성, 충진성이 확보되고, 120Mpa이상의 강도가 발현됨과 동시에 폭렬현상이 방지될 수 있어 내화성이 우수한 콘크리트 조성물 및 이를 이용해 제조되는 콘크리트에 관한 것이다. The present invention relates to a concrete composition and a concrete prepared by using the same, which exhibits proper construction and high strength, and also has excellent fire resistance, and more specifically, to ensure dispersibility by incorporating a fiber reinforcement treated on a surface thereof into concrete. The present invention relates to a concrete composition excellent in fire resistance because it can be secured in proper workability, that is, fluidity and filling property, and strength of 120 Mpa or more can be prevented and explosion can be prevented. 고강도, 내화성, 섬유보강재, 코팅 High strength, fire resistant, fiber reinforcement, coating

Process for the production of cementious material.

The invention provides a process for the production of a cementious material, comprising mixing cement starting materials, a healing agent and a fibrous reinforcing material, wherein the healing agent comprises bacterial material, and wherein the fibrous reinforcing material comprises a biodegradable polymer, having an average molecular weight selected from the range of 10-1500 103 g/mol, and wherein the fibrous material comprises fibers having diameters selected from the range of 5-750 11m, and having lengths selected from the range of 50 11m- 150 mm.

Lightweight hybrid water-repellent polymer mortar composition for repairing and protecting concrete structure, and construction method using the same

본 발명은 콘크리트 구조물 보수 보호용 경량 하이브리드 폴리머 모르타르 조성물에 관한 것으로서, 더욱 상세하게는 발수효과가 우수하고 흡수율을 낮게 유지할 수 있으므로 내구성이 우수하며, 모르타르의 단위 중량을 줄이고 초기 및 장기 부착성능을 향상시켜 콘크리트 구조물에 대한 보수 시공성이 매우 우수한 동시에 유기 용제를 사용하지 않으므로 친환경적인 콘크리트 구조물 보수 보호용 경량 하이브리드 폴리머 모르타르 조성물을 제공한다. 구체적으로, 본 발명에 따른 콘크리트 구조물 보수 보호용 경량 하이브리드 폴리머 모르타르 조성물은 발수 효과를 높이고 흡수율을 낮추어 내구성을 향상시킬 수 있도록 발수성을 갖는 성분을 포함시킴으로써 별도의 표면 보호제를 시공하지 않아도 초기 및 장기 내구성을 우수하게 유지할 수 있고, 경량 골재를 사용함에 의해 충격이나 진동이 가해지는 교량 등에 대한 시공시에도 교통 통제 없이 보수 시공이 가능하며, 칼슘설포알루미네이트와 석고가 최적 비율로 혼합된 팽창제를 사용함으로써 수축성이 낮고 빠른 시간 안에 강도를 발현할 수 있으며, 섬유와 PVA계 분말 수지를 포함함으로써 초기 및 장기 부착 성능과 균열 저항성이 향상되고 장기 내구성이 더욱 우수한 효과가 있고, 3종의 분말 혼합물로 이루어진 천연석 분말을 포함함으로써 구성성분 간의 접착력과 결착력이 강화되어 조직이 치밀해짐으로써 강도 및 내구성 등의 물성이 더욱 향상될 수 있다.

METHOD FOR PRELIMINARY MIXING AND DRY FILLING WITH FIBER

1. Способ предварительного смешивания и сухого заполнения волокном для волокон и гранулированных материалов с целью обеспечения избыточного заполнения волокном, мультиволокном и предварительного образования структуры смеси волокон и гранулированных материалов, отличающийся тем, что предусмотрено непрерывное или поэтапное добавление пропорциональных частей гранулированного материала и волокон одного или нескольких типов с перемешиванием между каждым этапом добавления гранулированного материала и волокон, при котором время смешивания может варьироваться от 5 до 60 с на этап, предпочтительно в диапазоне 5-10 с, интенсивность смешивания при этом зависит от свойств волокон и гранулированных материалов, а также характеристик оборудования для смешивания, которое может быть сдвоенной мешалкой, ленточно-винтовой мешалкой, высокопроизводительной мешалкой, лопастной мешалкой и пр., предпочтителен вариант ленточно-винтовой мешалки, цементирующие вещества и другие ингредиенты состава добавляют последовательными этапами способа с окончательным смешиванием в течение периода 10-900 с, предпочтительно в диапазоне 90-600 с, а точнее окончательное время смешивания определяют на основании характеристик волокон (или смесей аналогичного), гранулированных материалов, других компонентов смеси и интенсивности абразивного смешивания с учетом характеристик и типа оборудования для смешивания. ! 2. Способ по п.1, отличающийся тем, что волокна могут быть органическими, минеральными, неминеральными, природными, синтетическими, комбинированными или предварительно заданными, при этом вводят волокна одного типа, смеси или сочетан РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2009 120 625 (13) A (51) МПК C04B 16/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (71) Заявитель(и): ФЕРНАНДЕЗ ГАРСИА Карлос (43) Дата публикации заявки: 27.12.2010 Бюл. № 36 Хавиер (MX) (21), (22) Заявка: 2009120625/03, 21.11.2006 (85) Дата перевода заявки PCT на ...

Rapid setting concrete composition and repairing method for road and bridge concrete structure therewith

The present invention relates to a quick-setting cement concrete composition and a method for repairing a road or concrete bridge structure by using the same. According to an embodiment of the present invention, the quick-setting cement concrete composition, which has enhanced rust and water resistance and is used for repairing a road or bridge concrete structure, includes: 5-40 wt% of a quick-setting cement binder; 20-70 wt% of fine aggregate; 10-60 wt% of coarse aggregate; and 1-15 wt% of water. The quick-setting cement binder includes: 20-80 wt% of Portland cement; 10-60 wt% of calcium sulfoaluminate (CSA); and 1-20 wt% of C_12A_7 group calcium alumina cement (CAC).

Compositions of pervious concrete products by using the aggregates from industrial wastes and method for the same

본 발명은 높은 굽힘 강도를 가진 투수성 콘크리트 조성물 및 그 제조방법에 관한 것으로, 골재로 산업폐기물인 제련소 및 화력발전소에서 발생하는 니켈제련슬래그, 구리제련슬래그, 제강슬래그 및 바텀애시를 사용하고 결합재로는 일반 포틀랜드시멘트, 고로슬래그시멘트, 플라이애시시멘트와 혼화재, 고성능 감수제, 및 강도 보강재를 혼합한 재료를 사용하여 투수성, 굽힘 강도, 내동해융결성 및 내화학성 등의 물성이 우수한 투수성 콘크리트의 조성물 및 그 제품의 제조방법에 관한 것이다.

Compositions mixed with nano-composed inorganic polymer and nylon fiber for repairing and reinforcing sections of concrete constructions, and repairing and reinforcing method using it thereof

A composition for repairing and reinforcing the section of a concrete structure using a nano-composed inorganic polymer and nylon fibers is provided to realize the same quality as concrete materials and long-term durability, and to improve the cracking and bending resistance, tensile strength and adhesion. A composition for repairing and reinforcing the section of a concrete structure using a nano-composed inorganic polymer and nylon fibers comprises: 100 parts by weight of cement; 200-230 parts by weight of a functional mineral substance formed of ore belonging to amphibole; 6-10 parts by weight of a nano-composed inorganic polymer; 0.1-0.5 parts by weight of nylon fibers; and 40-60 parts by weight of water. The nano-composed inorganic polymer comprises: 16-50 parts by weight of a silane compound; 5-20 parts by weight of distilled water or ion exchange water; 7.5-20 parts by weight of a solvent; 10-30 parts by weight of silica sol; 0.1-10 parts by weight of an acid catalyst; 0.1-1.0 parts by weight of a thickening agent; 20-30 parts by weight of a filler; 24-26 parts by weight of an acrylic emulsion resin; 5-17 parts by weight of ethyl alcohol; and 0.1-10 parts by weight of nanopowder of silica or aluminum hydroxide. Further, the acid catalyst is one selected from a group consisting of HCl, HNO3 and CH3COOH.

Mortar mixed for covering on deteriorated concrete and method for covering on deteriorated concrete

A section restoration mortar and a section restoration method using the same are provided to recover alkalinity of the neutralized concrete, to repress the neutralization of the mortar, and to prevent frost damage caused by the infiltration of moisture by increasing absorption resisting force. The section restoration mortar is produced by mixing inorganic powders containing Portland cement and other additives and sand with a mortar making aqueous solution or the mixed solution of the aqueous solution and water. The mortar making aqueous solution of 11-12 pH contains at least one silane compound of 1-30wt.% selected from organoalkoxysilane and organocarboxysilane, at least one silicate of 0.5-20wt.% selected from aqueous lithium silicate, aqueous potassium silicate, and aqueous sodium silicate; and at least one metal oxide of 0.5-15wt.% selected from zinc oxide, aluminum oxide, antimony oxide, and tungsten oxide dissolved in the alkali aqueous solution.

Process for the production of cementitious material

본 발명은 시멘트계 재료의 제조 방법에 관한 것으로, 상기 시멘트계 재료의 제조 방법은 시멘트 출발 물질들, 치유제 및 섬유 보강재를 혼합하는 단계를 포함하며, 상기 치유제는 박테리아 재료를 포함하고, 상기 섬유 보강재는 10 내지 1500 kg/mol의 범위에서 선택되는 평균 분자량을 갖는 생분해성 고분자를 포함하며, 상기 섬유 재료는 5 내지 750 ㎛의 범위에서 선택되는 직경 및 50 ㎛ 내지 150 mm의 범위에서 선택되는 길이를 가지는 섬유질을 포함하는 것을 특징으로 한다.

Method of preliminary mixing and dry filling with fibre

FIELD: process engineering. SUBSTANCE: proposed invention relates to construction. Proposed method comprises mixing the proportional parts of fibres and pelletised material and mixing obtained mix with binding agent. Said mixing the proportional parts of fibres and pelletised material is performed in steps with addition of proportional parts pelletised material and fibre of one or several types mixing them between every step of addition for 5-10 seconds. Final mixing is carried out for 90-600 seconds. Note here that the fibre with diameter and length making 10-80 mcm and 0.2-100 mcm, respectively, is used. Amount of fibres in equipment makes 0.05-0.19% of dry mix total weight. EFFECT: decreased crack formation in concrete. 4 cl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 490 223 (13) C2 (51) МПК C04B 16/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2009120625/03, 21.11.2006 (24) Дата начала отсчета срока действия патента: 21.11.2006 (72) Автор(ы): ФЕРНАНДЕЗ ГАРСИА Карлос Хавиер (MX) (43) Дата публикации заявки: 27.12.2010 Бюл. № 36 R U (73) Патентообладатель(и): ФЕРНАНДЕЗ ГАРСИА Карлос Хавиер (MX) Приоритет(ы): (22) Дата подачи заявки: 21.11.2006 (45) Опубликовано: 20.08.2013 Бюл. № 23 2 4 9 0 2 2 3 2 4 9 0 2 2 3 R U (85) Дата начала рассмотрения заявки PCT на национальной фазе: 22.06.2009 C 2 C 2 (56) Список документов, цитированных в отчете о поиске: US 6099638 A, 08.08.2000. RU 2194614 C1, 20.12.2002. US 3650785 A, 21.03.1972. RU 2068827 C1, 10.11.1996. Ф.Н. Рабинович Бетоны, дисперсное армирование волокнами. - М.: изд. ВНИИЭСМ, 1976, с.810, 21, 22, 43-46. В.Г. Хитров Технология железобетонных изделий. - М.: изд. Высшая школа, 1978, с.93-101. (86) Заявка PCT: MX 2006/000130 (21.11.2006) (87) Публикация заявки РСТ: WO 2008/063040 (29.05.2008) Адрес для переписки: 123100, Москва, Шмитовский пр., 2, стр. 2, Агентство "Ермакова, Столярова и партнеры" (54) СПОСОБ ПРЕДВАРИТЕЛЬНОГО СМЕШИВАНИЯ И СУХОГО ...

Concrete composition for building materials including waste glasses and blast furnace slag powder and method of manufacturing concrete panel for building materials using thereof

The present invention relates to a concrete composition for building materials including waste glass and blast furnace slag micropowder, and a method for manufacturing building materials using the same. More particularly, the present invention provides a concrete composition for building materials including blast furnace slag micropowder and a method for manufacturing for building materials using the same, wherein the composition comprises cement, waste glass, blast furnace slag micropowder, a thickener and a superplasticizer, and specifically, for 100 parts by weight of cement, the composition includes 80-120 parts by weight of blast furnace slag micropowder, 600-850 parts by weight of waste glass, 0.3-1 parts by weight of the thickener and 0.3-1 parts by weight of the superplasticizer. As the concrete composition for building materials according to the present invention comprises blast furnace slag micropowder, waste glass, cement, the thickener and the superplasticizer at an optimal mixing rate, the composition has effects of being capable of manufacturing building materials which are cheaper and thinner and higher resistance to cracking in comparison with the existing concrete compositions including waste glass and blast furnace slag micropowder. In addition, as it comprises the thickener and the superplasticizer at an optimal mixing rate, the building materials manufactured through the concrete composition such as a concrete panel and the like have advantages of not generating dust and having remarkable adhesive power and surface gloss so as to be able to replace expensive building materials. Furthermore, the building materials manufactured from the concrete composition have excellent regeneration properties, and therefore, the building materials can be recycled after being destroyed so as to have remarkable economic feasibility, and have advantages of being capable of being used as interior and exterior building materials.

a fiber-reinforced high-strength post-mortar composition

본 발명은 교량 신축이음장치 설치시 사용되는 후타재 모르타르 또는 콘크리트 조성물에 관한 것으로, 더욱 구체적으로는 내부식성, 초기강도 및 균열발생에 저항성이 뛰어난 폴리아미드 계열 보강섬유와 내부식성, 균열발생 후 균열진전에 대한 저항성이 뛰어난 폴리올레핀 계열 보강섬유 적정비율로 혼합한 섬유보강 고강도 후타재 모르타르 조성물에 관한 것이다. 본 발명은 시멘트, 모래, 물, 황산칼슘, 수산화칼슘, 폴리올레핀 섬유, 폴리아미드 섬유를 포함한 섬유보강 고강도 후타재 모르타르 조성물을 제공한다. 또한 본 발명은 자갈을 더 포함한 섬유보강 고강도 후타재 모르타르 조성물을 제공한다. 또한 본 발명은 경화촉진제를 더 포함한 섬유보강 고강도 후타재 모르타르 조성물을 제공한다. The present invention relates to a mortar or concrete composition used for installing a bridge expansion joint, and more specifically, to a polyamide-based reinforcing fiber with excellent corrosion resistance, initial strength and resistance to cracking, corrosion resistance, and cracking after cracking. It relates to a fiber-reinforced high-strength post-mortar composition in which polyolefin-based reinforcing fibers having excellent resistance to tremor are mixed in an appropriate ratio. The present invention provides a fiber-reinforced high-strength post-mortar composition comprising cement, sand, water, calcium sulfate, calcium hydroxide, polyolefin fiber, and polyamide fiber. In addition, the present invention provides a fiber-reinforced high-strength post-mortar composition further comprising gravel. In addition, the present invention provides a fiber-reinforced high-strength post-mortar composition further comprising a curing accelerator.

Light weight hybrid repair mortar composition

A low-weight hybrid mortar composition is provided to carry out repairing, recover from neutralization and surface reinforcement of concrete damaged by neutralization or salt infiltration, to allow realization of initial and long-term strength, and to improve the adhesion and durability. A low-weight hybrid mortar composition is obtained by mixing, at room temperature under atmospheric pressure: 30.0-40.0 wt% of cement; 5.0-15.0 wt% of a ferrite-based low-weight aggregate; 5.0-15.0 wt% of calcium carbonate powder; 0.2-1.0 wt% of an acrylic resin; 1.0-2.0 wt% of a vinyl resin; 0.2 wt% of a calcium sulfoaluminate-based swelling agent; 1.0-3.5 w% of a calcium oxide-based swelling agent; 1.0-3.5 wt% of anhydrite; 0.1-0.5 wt% of nylon fibers; 0.1-0.5 wt% of dispersant; 0.01-0.02 wt% of air entraining agent; and 30.0-45.0 wt% of silica sand. The nylon fiber has 800 MPa of tensile strength and is staple fiber type.

Self-leveling mortar composition

A self-leveling mortar composition is provided to have short setting time, excellent constructability, good flowability, and superior adhesion strength and bending strength. A self-leveling mortar composition is obtained by mixing 30-60wt% of cement, 30-60wt% of sand, 0.1-30wt% of a finely powdered admixture, 0.1-10wt% of a natural inorganic pigment, 0.0001-3.0wt% of fiber, 0.1-5.0wt% of a shrinkage-reducing agent, and 0.05-10wt% of other additive. The other additive is at least one selected from 0.01-2.5wt% of a superplasticizer, 0.01-2.5wt% of a thickener, 0.01-2.5wt% of a retarding agent, and 0.01-2.5wt% of an accelerator.

Fiber reinforcement for concrete using polyamide material

본 발명은 섬유보강재와 시멘트 조성물 간의 부착성능을 향상시킬 수 있는 폴리아미드 재질을 이용한 콘크리트용 섬유보강재에 관한 것으로, 상기 폴리아미드 재질을 이용한 콘크리트용 섬유보강재는 폴리아미드계 수지 80 내지 90 중량부와, 실리카흄 3 내지 8 중량부와, 메타카올린 0.5 내지 2 중량부와, 난연제 2 내지 4 중량부를 혼합하여 이루어지는 혼합물을 용융 방사후 연신, 표면처리 및 절단하는 과정을 통해 얻어질 수 있다. The present invention relates to a fiber reinforcing material for concrete using a polyamide material capable of improving the adhesion performance between the fiber reinforcing material and a cement composition, wherein the fiber reinforcing material for concrete using the polyamide material comprises 80 to 90 parts by weight of a polyamide-based resin and , 3 to 8 parts by weight of silica fume, 0.5 to 2 parts by weight of metakaolin, and 2 to 4 parts by weight of a flame retardant It can be obtained through the process of stretching, surface treatment and cutting after melt spinning a mixture.

Non-separable cement mortar composition and reinforcement method for underwater structures using the same

Disclosed is a non-separable cement mortar composition including cement, aggregate, a reinforcing agent, reinforcing fiber, a calcium alumino ferritic expanding agent, a powdery thickener, a polycarboxylic acid-based water reducing agent, a silicone-based defoamer, a polyether-based defoamer, a gas foaming material, and a base material. Accordingly, the composition can have enhanced compressive strength, durability and adhesion strength while having fast hardening, material inseparability and high fluidity.

High strength fiber composite reinforced hard core panel for vessel interior

The present invention relates to a high-strength fiber composite reinforced hard core panel for a vessel interior, which is lightweight, has excellent mechanical properties and nonflammability, and a high water resistance and with improved bending strength and compressive strength to not be easily broken and to have a high control on fine and large cracks, and a manufacturing method thereof. According to the present invention, the high-strength fiber composite reinforced hard core panel for the vessel interior comprises: 100 pts.wt. of an organic/inorganic binder which comprises: 35-45 pts.wt. of a liquid silicate; 10-15 pts.wt. of a nano silica; 0.2-20 pts.wt. of an Li-based additive; 0.2-20 pts.wt. of a silane compound; 0.2-3.0 pts.wt. of a liquid silicon; 0.2-3.0 pts.wt. of water for industrial purpose; and 30-54.2 pts.wt. of an organic copolymer; 100 pts.wt. of organic/inorganic materials which comprises: 50-60 pts.wt. of an inorganic filler; 13-20 pts.wt. of a strength reinforcing agent; 10-20 pts.wt. of a hollow light-weight additive; 2-10 pts.wt. of an organic fiber; and 15-20 pts.wt. of an inorganic fiber; and a grid formed in a porous mesh shape to, when a panel is formed by heating and pressurizing organic/inorganic mixed materials, which are obtained by mixing the organic/inorganic binder and the organic/inorganic materials, be built in an area corresponding to the area of the panel and to form a frame structure to support the organic/inorganic mixed materials.

Cold Fusion Concrete

물; 충전 물질로서 작용하는 규소계 광물 골재; 활성제로서 작용하는 메타규산/5수화 나트륨 또는 칼륨; 시멘트질 성분으로서 작용하는 입상의 분쇄 고로 슬래그를 포함하는 철강 생산물의 폐기물; 시멘트질 성분으로서 작용하는 석탄 연소(플라이 애시 또는 보텀 애시)로부터의 고칼슘 또는 저칼슘 폐기물; 경화시간 지연제로서 작용하는 사붕산나트륨, 시트르산나트륨 2수화물, 시트르산 또는 붕산; 칼슘, 칼륨, 마그네슘, 나트륨 또는 알루미늄 수산화물을 포함하는 강화제; 규소 및 규산알루미늄 농도 및 관련된 강도를 증가시키기 위해, 애타풀자이트, 카올린, 레드, 또는 미분의 고함량 규산알루미늄 함유 점토; 경화 공정시 일정한 체적을 유지할 목적으로, 수산화물과 규산염에 의해 약한 공유결합을 형성하는 단백질 또는 합성 단백질 물질; 및 혼합물의 수분 함량을 감소시켜 점도를 낮추기 위한 수분 펀 오일의 혼합물을 포함하는 콜드퓨전 콘크리트 제형.

Low carbon-type eco-friendly mortar composition for repairing and reinforcing concrete using geopolymer, and repairing and reinforcing method for concrete structure using the same and mesh-type reinforcing basalt member

본 발명은 제조 생산 시에 다량의 CO 2 가 배출되는 종래 포틀랜드 시멘트를 CO 2 의 배출 원단위가 적은 산업부산물인 무기재료(고로슬래그, 플라이애시, 메타카올린)를 활용한 지오폴리머 결합재로 대체하여 모르타르 조성물을 구성하고, 이를 이용하여 콘크리트 구조물에 대한 보수/보강 공법을 수행함으로써, 시멘트 제조 시의 CO 2 배출량을 저감시켜 환경 친화적인 모르타르 조성물을 생산하고, 이를 이용한 콘크리트 구조물에 대한 보수/보강을 수행할 수 있도록 하는 공법에 관한 것이다. 본 발명에 따른 탄소 저감형 친환경 지오폴리머 콘크리트용 모르타르 조성물은 지오폴리머 결합재 36중량% ~ 45중량%, 규사 48중량% ~ 58중량%, 재분산성 분말수지 2중량% ~ 5중량%, 증점제 0.3중량% ~ 0.5중량% 및 소포제 0.1중량% ~ 0.3중량%, 바잘트 섬유 0.5중량% ~ 1.5중량%, 나일론 섬유 0.3중량% ~ 0.5중량%를 포함한다. The present invention replaces the conventional Portland cement, which emits a large amount of CO 2 during manufacturing and production, with a geopolymer binder using inorganic materials (blast furnace slag, fly ash, metakaolin), which are industrial by-products with a small amount of CO 2 emission, with a mortar By composing the composition and using it to perform the repair/reinforcement method on the concrete structure, CO 2 emissions during cement manufacturing are reduced to produce an environmentally friendly mortar composition, and repair/reinforcement of the concrete structure using the composition is performed. It's about techniques that make it possible. The carbon-reduced eco-friendly geopolymer mortar composition for concrete according to the present invention is a geopolymer binder 36 wt% to 45 wt%, silica sand 48 wt% to 58 wt%, redispersible powder resin 2 wt% to 5 wt%, thickener 0.3 wt% % to 0.5% by weight and 0.1% to 0.3% by weight of an antifoaming agent, 0.5% to 1.5% by weight of basalt fiber, and 0.3% to 0.5% by weight of nylon fiber.

Shear strengthening method for underground box structure

본 발명은 지하 박스 구조물의 전단 보강 공법에 관한 것으로, 보다 구체적으로는, 지하 박스 구조물에 있어서 내외부의 진동 및 외력 등으로 전단력(shearing force)이 미치기 때문에 벽면에 균열 등 하자의 발생을 막기 위한 앵커볼트 형태의 고정 방식에 있어서, 천공홀 내부로 삽입되는 보강유닛을 천공홀 외부로 튀어나오지 않게 하면서도 외부로 빠지지 않도록 함으로써, 기존의 앵커볼트가 벽면에서 돌출되어 내외부의 진동 및 외력 등이 발생하는 지하 박스 구조물에서 고정이 느슨하게 되거나 궁극적으로 이탈하는 것을 원천적으로 차단하도록 하기 위한 지하 박스 구조물의 전단 보강 공법에 관한 것이다. 본 발명에 따르면, 천공홀 내부로 삽입되는 보강유닛을 천공홀 외부로 튀어나오지 않게 하면서도 외부로 빠지지 않도록 함으로써 기존의 앵커볼트가 벽면에서 돌출되어 내외부의 진동 및 외력 등이 발생하는 지하 박스 구조물에서 고정이 느슨하게 되거나 궁극적으로 이탈하는 것을 원천적으로 차단할 수 있으며, 보강유닛을 천공홀에 고정하기 위한 단부 부재의 구조 및 재질의 특성에 의해 보강유닛의 천공홀에서의 이탈을 방지할 수 있는 효과가 있고, 또한, 단부 부재의 후단을 마감 부재층으로 형성함으로써, 휨강도, 인장강도 및 압축강도 등 물리적 특성을 높게 유지할 수 있도록 하면서, 단시간에 경화가 완료되어 작업성과 사용성도 매우 우수한 동시에, 초기 강도 확보가 가능한 장점이 있고, 또한, 동결융해 및 염해에 대한 내성도 우수하여 장기 내구성이 우수하고, 현장에서의 사용이 편리하며, 자재 손실과 환경 오염이 방지될 수 있는 동시에, 미생물의 서식 및 증식을 억제함으로써 미생물의 작용으로 인한 구조물 열화의 문제를 방지할 수 있는 효과가 있다.

A concrete composition having excellent vibration damping performance and a method for manufacturing the same

본 발명은 결합재, 잔골재, 굵은골재 및 합성고무라텍스를 포함하는 콘크리트 조성물에 있어서, 상기 합성고무라텍스는 공액디엔 화합물 및 방향족 비닐 화합물을 포함하는 시드 라텍스에; 공액디엔 화합물, 방향족 비닐 화합물 및 단관능성 불포화 화합물로 이루어진 군으로부터 선택된 1종 이상을 추가하여 중합 반응시켜 얻어진 것을 특징으로 하는 진동 감쇠성능이 우수한 콘크리트 조성물 및 이의 제조방법에 관한 것이다. 본 발명에 따르면, 기존 콘크리트 대비 외부로부터 전달되는 진동을 차단하는 감쇠성능이 향상되어 내진설계, 교량, 콘크리트 슬래브의 두께 감소 및 정밀장비의 수율 향상에 효과가 있는 콘크리트 조성물 및 이의 제조방법을 제공하는 효과가 있다.

Color cement mortar composition with excellent durability for repairing concrete structure and method for repairing concrete structure using the composition

The present invention relates to a color cement mortar composition for repairing a concrete structure and a method for repairing a concrete structure using the same, wherein the color cement mortar composition comprises 5-70 wt% of an inorganic-based binder including an inorganic pigment, 25-85 wt% of a fine aggregate, 0.01-20 wt% of a polymer-based admixture, and 0.1-20 wt% of water, and the polymer-based admixture includes 50-99 wt% of styrene-butadiene, 0.1-20 wt% of polymethyl metacrylate, 0.1-20 wt% of a silicate resin, and 0.1∼20 wt% of a silane resin. According to the present invention, the color cement mortar composition has strength and durability and especially, excellent neutralization resistance, acid resistance, and salt resistance, so that the color cement mortar composition can be used for: cross section restoring and repairing final work for a bridge, a sewage culvert, a neutralized underground roadway, a tunnel which is restored after a fire occurs, and an expressway structure damaged by salt due to a deicing agent; final work for a concrete pier of a railroad bridge; final work for a newly-constructed concrete bridge; a final work for concrete on the outside of a building; and functions in preventing the neutralization and improving the durability and legibility of all concrete structures such as an underground parking lot, a filtration plant, and a sewage disposal plant structure. In the present invention, for construction, an automatic facility is used, so that construction can be easily performed. Construction duration is shortened and labor costs are reduced, so that economical feasibility is ensured. Excellent construction qualities are maintained, so that maintenance costs can be remarkably reduced. The fine aggregate used in the present invention is mixed with dolomite having excellent strength, wear resistance, and fire resistance, so that color cement mortar composition has excellent wear resistance, landscape-harmonized properties, and ...

Manufacturing method of cement paste

본 발명은 나노섬유와 시멘트 용액을 혼합하여 강도 및 인성이 향상된 시멘트 페이스트를 제조하는 방법이 개시된다. 본 발명의 일 실시예에 따른 시멘트 페이스트 제조방법은, 제1 포름산(11a) 및 클로로포름(11b)이 혼합된 제1 폴리머 용액(11) 또는 제2 포름산(13a) 및 디클로로 메탄(13b)이 혼합된 제2 폴리머 용액(13)을 전기방사부(110)에 공급하는 폴리머 용액 공급단계(S10); 전기방사부(110)가 전원공급부(130)로부터 공급되는 전원을 통해 제1 폴리머 용액(11) 또는 제2 폴리머 용액(13)을 전기방사하는 전기방사단계(S20); 전기방사부(110)에 의해 제1 나노섬유(12) 또는 제2 나노섬유(14)가 생성되는 단계(S30); 및 교반부(120)가 전원공급부(130)로부터 공급되는 전원을 통해 전기방사부(110)로부터 투입되는 나노섬유(10a)와 외부로부터 공급되는 시멘트 용액(20)을 교반수단으로 교반하여 시멘트 페이스트를 제조하는 교반단계(S60);를 포함한다. The present invention discloses a method for preparing a cement paste having improved strength and toughness by mixing nanofibers and a cement solution. In the method for manufacturing cement paste according to an embodiment of the present invention, the first polymer solution 11 in which the first formic acid 11a and chloroform 11b are mixed or the second formic acid 13a and dichloromethane 13b are mixed A polymer solution supply step of supplying the second polymer solution 13 to the electrospinning unit 110 (S10); an electrospinning step (S20) in which the electrospinning unit 110 electrospinning the first polymer solution 11 or the second polymer solution 13 through the power supplied from the power supply unit 130; The first nanofiber 12 or the second nanofiber 14 is generated by the electrospinning unit 110 (S30); And the stirring unit 120 stirs the nanofibers 10a input from the electrospinning unit 110 through the power supplied from the power supply unit 130 and the cement solution 20 supplied from the outside with a stirring means to make cement paste. A stirring step (S60) to prepare a; includes.

Fiber-reinforced molded product, aromatic polyamide braids or tapes, and application of these braids to reinforce polymer concrete or materials hardening hydraulically or in air

Заявлены усиленные волокнами формованные изделия, содержащие гидравлические связующие, связующие воздушного твердения или полимербетон и в качестве усилителя - параллельно или двух- или трехмерно расположенные комплексные нити и/или ленты с титром более 440 дтекс из волокон, выполненных из растворимых в полярных апротонных органических растворителях ароматических полиамидов, которые содержат повторяющиеся структурные единицы формул (I), (II) и в случае необходимости (III): - ОС - Аr- СО - NН - Аr- NН - ; - ОС- Аr- СО - NН - Аr- NН - ; - OC - Аr- СО - NH - Аr- NH - , где Аr, Аr, Аrи Аr, независимо друг от друга, - двухвалентный одно- или многоядерный ароматический остаток, свободные валентности которого находятся в параположении или в мета-положении или в сравнимом с этими положениями параллельном, коаксиальном или находящимся под углом к друг другу положении. Заявлены также комплексные нити или ленты титра более 440 дтекс из волокон, выполненных из указанных ароматических полиамидов, которые содержат 2 - 25 мас.%, предпочтительно 3 - 10 мас.%, в расчете на массу комплексной нити или ленты термореактивного или термопластичного полимера в качестве фиксатора.

Asphalt water-proofing composition for bridge and preparing thereof

The present invention relates to an asphalt paint film water-proofing material for bridge, and to a production method thereof, improving flatness performance. The asphalt paint film water-proofing material comprises: 40 to 60 wt% of straight asphalt; 5 to 10 wt% of an SEBS polymer; 5 to 8 wt% of an SBS polymer; 1 to 3 wt% of nylon fibers; 3 to 8 wt% of expanded glass fine particles; 5 to 10 wt% of process oil; and the remaining additive.

Concrete composition comprising polyamide reinforcing fibers

본 발명은 시멘트, 물, 골재, 및 폴리아미드 섬유보강재를 포함하는 누름 콘크리트 조성물에 관한 것으로서, 좀더 상세하게는 a) 콘크리트 단위체적에 대하여, 시멘트를 포함하는 결합재 200 내지 500 kg/m 3 , b) 콘크리트 단위체적에 대하여, 물 150 내지 200 kg/m 3 , c) 콘크리트 단위체적에 대하여, 잔골재 600 내지 1200 kg/m 3 , d) 콘크리트 단위체적에 대하여, 굵은 골재 600 내지 1200 kg/m 3 , 및 e) 콘크리트 단위체적에 대하여, 섬유 보강재 0.1 내지 2.0 kg/m 3 를 포함하는 누름 콘크리트 조성물에 관한 것이다. The present invention relates to a pressed concrete composition comprising cement, water, aggregate, and polyamide fiber reinforcement, and more particularly, a) a binder containing cement 200 to 500 kg / m 3 , b for a concrete unit volume. A) for concrete unit volume, water 150 to 200 kg / m 3 , c) for concrete unit volume, fine aggregate 600 to 1200 kg / m 3 , d) for concrete unit volume, coarse aggregate 600 to 1200 kg / m 3 , And e) 0.1 to 2.0 kg / m 3 of fiber reinforcement with respect to the concrete unit volume. 누름 콘크리트, 폴리아미드 섬유, 공동주택 Pressed concrete, polyamide fiber, apartment

Crude mixture for aerated concrete

FIELD: chemistry. SUBSTANCE: mixture for aerated concrete contains, wt %: portland cement 35 - 55, fly ashCHP-4 g Omsk 10.1-33, building plaster GP-6 0.25-0.37, aluminium paste 0.06-0.1, washing powder Zifa 0.001-0.002, sodium hydroxide 0.18-0.4, chloride calcium 0.14-0.2, polyamide fibre of 12-14mm, 0.3-0.35 mcm with a diameter of 0.04-0.14, water 30.978 - 33.898. EFFECT: increasing the strength, frost resistance, reducing the thermal conductivity of aerated concrete products. 2 tbl, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 635 687 C1 (51) МПК C04B 38/02 (2006.01) C04B 38/10 (2006.01) C04B 40/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2016122858, 08.06.2016 (24) Дата начала отсчета срока действия патента: 08.06.2016 Дата регистрации: Приоритет(ы): (22) Дата подачи заявки: 08.06.2016 (45) Опубликовано: 15.11.2017 Бюл. № 32 C 1 R U Стр.: 1 2226517 C2, 10.04.2004. RU 2326096 C1, 10.06.2008. RU 2278093 C1, 20.06.2006. RU 2274626 C2, 20.04.2006. SU 863545 A, 15.09.1981. JP 56037266 A, 10.04.1981. алюминиевую пасту 0,06 - 0,1, моющий порошок "Зифа" 0,001 - 0,002, гидроксид натрия 0,18 - 0,4, хлорид кальция 0,14 - 0,2, фибру полиамидную длиной 12-14 мм, диаметром 0,3-0,35 мкм 0,04 0,14, воду 30,978 - 33,898. Технический результат – повышение прочности, морозостойкости, снижение теплопроводности изделий из газобетона. 2 табл., 3 пр. C 1 (54) СЫРЬЕВАЯ СМЕСЬ ДЛЯ ГАЗОБЕТОНА (57) Реферат: Изобретение относится к производству изделий из газобетона и может быть использовано в домостроении для изготовления строительных блоков, а также в дорожном строительстве для изготовления бордюров, ограждений и плиток. Сырьевая смесь для газобетона содержит, мас.%: портландцемент 35 - 55, золу-унос ТЭЦ-4 г. Омска 10,1 - 33, строительный гипс ГП-6 0,25 - 0,37, (56) Список документов, цитированных в отчете о поиске: RU 2541340 C1, 10.02.2015. RU 2 6 3 5 6 8 7 Адрес для переписки: 644050, г. Омск, пр. Мира, 11, ...

CONSTRUCTION MATERIAL COMPRISING A FIBROUS OR FILAMENTARY REINFORCEMENT

L'invention conceme un matériau de construction à liant hydraulique, comprenant un fibreux ou filamentaire. Le renfort est constitué de fils ou fibres synthétiques, modifiés par un polymère dendritique. Elle conceme par exemple des fibro-ciments dont les fibres de renfort sont constitués d'une composition comprenant un polyamide et un polymère dendritique. The invention relates to a hydraulically bonded construction material comprising a fibrous or filamentary material. The reinforcement consists of synthetic yarns or fibers, modified with a dendritic polymer. It relates for example to fibro-cements whose reinforcing fibers consist of a composition comprising a polyamide and a dendritic polymer.

Cement for use in building sector, public works and oil and gas extraction field comprises hydraulic binder and anisotropic polymer particles

Cement comprises at least one hydraulic binder, optionally at least one filler and at least one additive, and anisotropic particles of at least one polymer with an elasticity module up to 10 GPa; the particles having largest dimension on average 0.6-6 mm and amounting up to 10 wt.% per weight of the hydraulic binder. Independent claims are also included for the following: (i) a cement paste comprising at least cement as above and water; (ii) a consolidated material obtained by hardening cement paste as above; (iii) the preparation of cement paste above, comprising mixing cement with water, or mixing hydraulic binder, optional filler and additive and water, and adding anisotropic particles of polymer; (iv) the preparation of consolidated material by hardening cement paste at least 50 deg C, preferably at least 80 deg C; (v) the use of consolidated material in oil and gas extraction field or in building and public works sector; and (vi) the use of anisotropic particles of at least one polymer having elasticity module up to 10 GPa, with largest dimension on average 0.6-6 mm, in consolidated material obtained by hardening cement paste made of water and cement, the latter comprising at least one hydraulic binder, optionally at least one filler and additive, with anisotropic particles amounting up to 10 wt.% per wt. of hydraulic binder.

Sealable liquid-tight containers comprised of coated hydraulically settable materials

Sealable liquid-tight containers and methods for economically manufacturing such containers for storing and dispensing substances and any other purposes for which conventional sealable liquid-tight containers are utilized. The containers are readily and economically formed from mixtures of hydraulically settable binders such as hydraulic cement, gypsum and clay with water. Appropriate additives can also be added to the mixture which impart desired characteristics and properties to both the mixture and the hardened containers. The mixtures can be utilized to form containers by various methods. One method involves forming the containers without substantial mixing of the mixture, compacting the mixture and hydrating the mixture. Other methods involve molding the mixture, extruding the mixture and forming sheets from the mixture to be converted into containers. The components may also be dried, coated, lined, laminated and/or receive printing.

REINFORCED COMPOSITE MATERIALS COMPRISING A HYDRAULIC OR CHEMICAL BINDER, POLYAMIDE FIBERS AND ONE OR MORE ADDITIVES FOR IMPROVED MECHANICAL BEHAVIOR

La présente invention concerne des matériaux composites renforcés dont la structure de base est une matrice obtenue à partir d'au moins un liant hydraulique ou chimique, des fibres de polyamide ainsi qu'un ou plusieurs additifs pour l'amélioration des propriétés mécaniques desdits matériaux composites. Ces matériaux composites peuvent trouver une application dans de nombreux domaines et notamment celui de la construction, en tant que plâtres, ciments, mortiers, bétons, ou enduits par exemple. The present invention relates to reinforced composite materials whose basic structure is a matrix obtained from at least one hydraulic or chemical binder, polyamide fibers as well as one or more additives for improving the mechanical properties of said composite materials. . These composite materials can find an application in many fields and in particular that of construction, as plasters, cements, mortars, concretes, or coatings for example.

CONSTRUCTION MATERIAL COMPRISING FIBROUS OR FILAMENTARY REINFORCEMENT

Mortar for reparing cross section of concrete structure and construction method for reparing cross section of concrete structure using the same

Provided is a mortar for repairing a cross section of a concrete structure, which comprises: 20 to 30 wt% of Portland cement; 40 to 50 wt% of aggregate; 5 to 10 wt% of steel slag; 5 to 10 wt% of an elastic composite resin; 3 to 5 wt% of dimethylaminoethyl methacrylate; 3 to 5 wt% of calcium sulfoaluminate; 1 to 3 wt% of silica fume; 1 to 3 wt% of coconut fiber; 1 to 3 wt% of hydroxy copper carbonate; 1 to 3 wt% of pearlite; 0.1 to 1.5 wt% of attapulgite; 0.5 to 1.5 wt% of nylon fiber; 0.5 to 1.5 wt% of polyparaphenylene alkylenedicarboxylate; 0.5 to 1.5 wt% of amide wax; and 0.05 to 0.5 wt% of sodium citrate. According to the present invention, the strength and adhesive persistence of a repairing mortar are excellent, cracks of constructed mortar are suppressed, and separation of a cross-section is prevented. Also, the degradation of strength and durability caused by the neutralization of concrete is prevented, and the corrosion of a steel bar is suppressed. In addition, the durability of a structure is increased and the structural stability of a concrete structure is realized, thereby increasing a service lifespan.

CEMENT COMPRISING ANISOTROPIC POLYMER PARTICLES, CEMENT PASTE, CONSOLIDATED MATERIAL, PREPARATION AND USES

PRE-MIXING AND DRY FIBER PROCESS

Low-alkali compression-resistant fracture-resistant green environment-friendly concrete and preparation method thereof

本发明涉及绿色环保混凝土技术领域，且公开了一种低碱抗压抗折绿色环保混凝土及其制备方法，所述低碱抗压抗折绿色环保混凝土采用以下重量份的原料制得：水泥6份、磨细矿渣0.1份、砂子8份、石子15份、水1份、加入增强剂1份、纤维材料0.2份、白云石粉1份，在一个优选地实施方式中，所述磨细矿渣的掺量控制在水泥含量的20％～50％之间，所述磨细矿渣的目数为表面积350m2/kg以上，在一个优选地实施方式中，所述增强剂包含：减水剂、引气剂、缓凝剂、防水剂、膨胀剂、防冻剂，通过设有水泥、磨细矿渣、砂子、石子、水、加入增强剂、纤维材料、白云石粉，有利于使生产出来的混凝土，具有耐碱性，稳定性良好、强度高、耐久性好、高抗压、抗折性能好。

Pre-mix type modifed asphalt mixture and method of manufacturing asphalt concrete thereby

The present invention relates to a premix type reformed asphalt mixture which has a composition comprising: 2-4 parts by weight of a cellulose fiber; 2-5 parts by weight of an aramid fiber; 2-8 parts by weight of a polyamide polymer compound; and 3-6 parts by weight of an ethylene propylene diene monomer (EPDM) with respect to 100 parts by weight of asphalt. The present invention also relates to a manufacturing method for asphalt concrete, which is characterized by mixing 5-15 parts by weight of the premix type reformed asphalt mixture (ii) with 100 parts by weight of an aggregate (i). The manufacturing method can effectively prevent the premix type reformed asphalt mixture from aging even when being manufactured in a premix type and stored for a long time, because of including the aramid fiber with excellent thermal resistance. Moreover, the manufacturing method can effectively prevent the premix type reformed asphalt mixture from phase separation due to long-period storing because of including the EPDM with excellent dispersal ability.

Reinforcement fiber compositions, reinforcing fiber-containing cement compositions, and methods thereof

The invention relates to modified reinforcement fibers for use in a variety of applications. The modification includes crimping linear or straight reinforcement fibers to create a deformed or different shaped reinforcement fiber. Examples of the shaped fibers resulting from crimping include w-shaped, s-shaped, z-shaped and wedge-shaped.

A kind of method that fiber substance is used to prepare grey moulding material

本发明提供一种纤维类物质用于制备灰塑材料的方法。本发明以多种无机、合成的纤维以及天然木质纤维素等的（混合）纤维作为增筋材料，代替或部分代替玉扣纸、元宝纸等土纸用料。该方法包括生石灰粉真空脱气，用水真空浸泡、筛滤去杂，细磨，静置熟化成石灰油；糯米粉、糖或糖醇用石灰水溶解分散、保温成粉乳粉浆；纤维混合、石灰水浸渍、搅拌分散；将石灰油、桐油、糯米粉糖液、纤维悬浮液，或者再回用部分的陈化完毕的旧的纸筋灰等物料，进行真空搅拌混合、20~40℃保温，真空密封20天或以上，得到灰塑材料。本发明增强了灰塑制品的强度耐候性，所得灰塑材料颜色更加洁白，能够弥补石灰熟化、陈化可能出现的不足。

Building material comprising a fibrous or filament reinforcement

本发明涉及含有纤维或长丝增强材料的基于水硬粘合剂的建筑材料。该增强材料由树枝状聚合物改性的纱线和长丝组成。本发明涉及例如其中增强纤维由含有聚酰胺和树枝状聚合物的组合物组成的纤维水泥。

Methods and compositions to increase performance of asphalt cement concrete comprising recycled asphalt pavement

Embodiments of the invention are amendments to hot-mix asphalt (“HMA”) which open new price/performance areas to asphalt cement concrete (“ACC”) pavement. Equivalent-performing pavement may be made at lower cost, or higher-performing pavement may be made at equivalent-to-prior-art cost. The amendments, recycled asphalt pavement (“RAP”, and including recycled asphalt shingles [“RAS”]), and reinforcing fiber (aramid fiber) may be adjusted as described herein to achieve a desired price/performance target.

Sealable liquid-tight, thin-walled containers

Sealable liquid-tight containers (10) and methods for economically manufacturing such containers for storing and dispensing substances and any other purposes for which conventional sealable liquid-tight containers are utilized. The containers are readily and economically formed from mixtures of hydraulically settable binders such as hydraulic cement, gypsum and clay with water. Appropriate additives can also be added to the mixture which impart desired characteristics and properties to both the mixture and the hardened containers. The mixture can be utilized to form containers by various methods. One method involves forming the containers without substantial mixing of the mixture, compacting the mixture and hydrating the mixture. Other methods involve molding the mixture, extruding the mixture and forming sheets from the mixture to be converted into containers. The containers may also be dried, coated, lined, laminated and/or receive printing.

REINFORCED CONCRETE STRUCTURE.

Estructura que comprende una masa fraguada de cemento, áridos, agua y unos materiales de refuerzo, los cuales comprenden unas fibras, tejidos y/o cordones constituidos por al menos uno de los siguientes tipos de fibras: fibras de carbono, fibras de aramida, y fibras poliacrílicas. Un material de refuerzo está constituido por fibras de aramida y fibras poliacrílicas, cortadas en fragmentos (1) y mezcladas con el hormigón (H). Otro material de refuerzo está constituido por un tejido abierto (2) de fibras de carbono, empotrado en la capa superficial de la estructura de hormigón (H). Un material de refuerzo comprende una o varias capas de tejido de alta densidad (3) de fibras de carbono, alternadas con capas de resina de epoxi (4), y dispuestas sobre la superficie exterior del hormigón (H). Un material de refuerzo comprende unos cables trenzados de fibras de aramida (5) formando elementos resistentes interiores.

Reinforced composite materials comprising a hydraulic or chemical binder, polyamide fibers and one or more additives for enhanced mechanical behaviour

The invention concerns reinforced composite materials whereof the basic structure consists in a matrix obtained from at least a hydraulic or chemical binder, polyamide fibers and one or more additives for enhancing mechanical properties of said composite materials. Said composite materials can be useful in numerous applications and in particular in building, as gypsum plasters, cements, mortars, concrete mixes or coating materials for example.

A method of reinforcing a pole using a reinforcement for reinforcing a pole

본 발명은 전신주 보강용 보강재를 이용한 전신주 보강 방법에 관한 것으로, 보다 상세하게는 기 설치되어 장기간 사용됨에 따라 손상되거나 강도가 저하된 전신주를 보강하는 섬유보강제가 혼합된 전신주 보강용 보강재를 전신주에 형성된 관통홀을 통해 전신주의 내부에 주입하여 전신주를 보강하는, 전신주 보강용 보강재를 이용한 전신주 보강 방법에 관한 것이다. 이러한 본 발명은 전신주의 표면을 정리하는 표면 정리 단계, 표면이 정리된 전신주에 프라이머를 도포하는 프라이머 도포 단계, 전신주 보강용 보강재를 배합하는 전신주 보강용 보강재 배합 단계, 전신주에 형성된 관통공을 통해 전신주 보강용 보강재를 전신주에 주입하는 전신주 보강용 보강재 주입 단계, 전신주의 내부에 주입된 전신주 보강용 보강재(20)를 양생하는 양생 단계를 포함하고, 전신주 보강용 보강재는 시멘트 20~45중량%, CSA 팽창제 0.3~10중량%, 알파형 반수석고 0.1~3중량%, 실리카 흄 0.5~8중량%, 슬래그 미분말 1~10중량%, 유동화제 0.05~3중량%, 소포제 0.01~1중량%, 알루미늄 분말 0.001~1중량%, 규사 20~60중량%로 이루어진 모르타르에 섬유보강제를 혼합하는 것을 특징으로 한다. The present invention relates to a method of reinforcing a pole using a reinforcement for reinforcing a pole, and more particularly, a reinforcement for pole reinforcement mixed with a fiber reinforcing agent for reinforcing a pole that has been installed and has been damaged or has decreased in strength due to long-term use is formed on the pole It relates to a method of reinforcing a pole using a reinforcing material for reinforcing a pole by injecting it into the inside of the pole through a through-hole to reinforce the pole. The present invention provides a surface cleaning step of arranging the surface of a utility pole, a primer application step of applying a primer to the utility pole with the surface cleaned, a pole reinforcement reinforcing material mixing step of mixing a reinforcing material for a utility pole reinforcement, and a utility pole through a through hole formed in the utility pole Including a reinforcing material for power pole reinforcement injection step of injecting reinforcing reinforcing material into the power pole, a curing step of curing the reinforcing material for reinforcing the power pole injected into the inside of the power pole, and the reinforcing material for power pole reinforcement is 20 to 45 wt% of cement, CSA Expanding agent 0.3~10% by weight, Alpha type hemihydrate gypsum 0.1~3% by weight, silica fume 0.5~8% by weight, slag ...

Preparation method of high-strength insulation anchoring grouting material

本发明涉及建筑材料技术领域，且公开了一种高强绝缘锚固灌浆料制备方法，包括以下步骤：1)依次取出石英砂100‑150份、磨细矿渣粉100‑200份、水80‑100份、和混杂纤维0.5‑0.9份放入搅拌机中搅拌1.5‑2h后停止，并将上述材料留作备用。该高强绝缘锚固灌浆料制备方法，通过加入一定量的三元乙丙橡胶粉，可以减轻锚固灌浆料的自重，吸收锚固灌浆料内部的收缩应力并且减少锚固灌浆料内部的导电通路，进而提高锚固灌浆料的绝缘性,通过加入萜烯树脂粉、芳纶纤维、纳米二氧化钛以及古马隆树脂粉，提高了锚固灌浆料的防水防渗性，减少导电通道形成，从而大大提高锚固灌浆料的绝缘性，同时还能够提高锚固灌浆料的结构密实度，进而提高锚固灌浆料的强度。

Fiber-containing roof tile, molding material for producing fiber-containing roof tile, and process for producing same

A roof tile containing fibers which satisfy the following requirements (1) to (3): (1) to have an average fiber diameter of 50 μm or less; (2) to have an aspect ratio of 50 to 2000; and (3) to have three or less buckled portions per fiber.

Sealable liquid-tight, thin-walled containers composed of hydraulically settable materials and methods for manufacturing such containers

本发明公开了可密封的液密容器以及经济地制 造这种容器的方法，这种容器能用于物质的贮存和分 发及传统的可密封的液密容器可使用的用途。这种 容器可方便和经济地用水硬性粘结剂(如水硬性水 泥、石膏、粘土)和水的混合物成型。也可在混合物中 加入适当的添加剂，以赋予混合物和硬化容器所需的 性能。可用不同的方法将混合物成型为容器。对容 器结构部件也能进行干燥、加涂层、加衬里、加层压覆 盖的和/或接受印刷。

Wall compounds and methods of use

A wall compound for use in all applications and particularly well-suited for joining adjacent wallboards. The compound includes a latex resin, a thickener, fibers, and a filler material. In some embodiments, the repair compound is configured to exhibit at least one of yield stress and pseudoplastic-type behavior. In some embodiments, the compound includes hydrophobic and hydrophilic fibers of different morphologies. In some embodiments, the wall compound includes one or more associative thickeners.

Polyareneazole/thermoset pulp and methods of making same

本发明涉及热固性和聚芳唑浆粕，它作为增强材料用于包括例如流体密封和摩擦材料的产品中，作为加工助剂，包括其作为触变胶和作为滤材的应用。该浆粕包含：(a)不规则形状的热固性纤维原纤化结构，(b)不规则形状的聚芳唑纤维结构以及(c)水，其中热固性纤维原纤和/或茎与聚芳唑原纤和/或茎基本上缠结在一起。本发明还涉及制造此种热固性和聚芳唑浆粕的方法。

Anti-blast concrete and method of fabricating anti-blast structure member using such anti-blast concrete

本發明揭露一種抗爆混凝土及用該抗爆混凝土製造抗爆牆體的方法。根據本發明之抗爆混凝土其按重量份計之成份包含1.0重量份的水泥、1.0至2.5重量份的細骨材、1.0至2.5重量份的粗骨材以及多根強化纖維。多根強化纖維與水泥之重量比範圍介於0.5%至3%。多根強化纖維係多根碳纖維或多根芳香族聚醯胺類合成纖維。由本發明之抗爆混凝土所製成之試體其28天齡期能承受衝擊能量為49.0焦耳重複衝擊之平均次數等於或高於41次。

A kind of high performance composites decorative panel and preparation method thereof

一种高性能纤维复合材料装饰板，以重量计，包括以下原料：水泥500～1000份、活性添加剂200～400份、惰性添加剂70～170份、减水剂50～70份、水80～140份、阻锈剂6～12份、黄麻纤维10～16份、云母鳞片9～11份、钢纤维10～20份、尼龙纤维10～20份；本发明的有益效果是高性能纤维复合材料装饰板整体可做承载力结构，造型可任意化，整体综合成本造价低，材料来源广泛，耐磨性能好，适合不同建筑装饰领域挂板要求，另外在高性能纤维复合材料装饰板中添加了钢纤维和尼龙纤维，从而使高性能纤维复合材料装饰板的结构强度更高。