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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 51. Отображено 51.
23-04-2014 дата публикации

Plugging assembly mechanism for bottleneck of liquid bottle

Номер: CN103738897A
Автор: WEI JINCHENG, LIU WENQI, ZOU GUOAN, WEI JIN, DENG BIN, LI WEI, TAN YONG
Принадлежит:

A plugging assembly mechanism for a bottleneck of a liquid bottle comprises a base and a plug pressing puncher pin, wherein an installation hole matched with an inner plug in dimension is formed in the base, and two or more groups of rolling bearings are arranged at the edge of the installation hole and matched with the inner plug respectively to form rolling connection structures. A punching surface of a pressing head of the plug pressing puncher pin contacts with the inner plug to press the inner plug into the bottleneck. The plugging assembly mechanism for the bottleneck of the liquid bottle has the advantages of being capable of assembling the inner plug assembly for one time, high in speed and good in assembly quality.

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Номер записи: 1
02-06-2023 дата публикации

Asphalt mixture design method based on pavement use performance

Номер: CN116202894A
Автор: BI YUFENG, XU XIZHONG, DING TINGTING, ZHANG XIAOMENG, SUN JIANXIU, WEI JINCHENG, YU DESHUI, YAN XIANGPENG, WANG ZHUO, ZHANG ZHENGCHAO, XU QINSHENG, WU WENJUAN
Принадлежит:

The invention discloses an asphalt mixture design method based on pavement use performance, belongs to the technical field of road engineering, and aims to overcome the defect of separation of structural design and material design of a Marshall asphalt mixture design method, realize organic unification of a pavement structure and materials and improve the pavement use performance. According to the adopted technical scheme, the method comprises the following specific steps: S1, carrying out an experiment for measuring related indexes of the pavement use performance on a laboratory forming test piece; s2, performing a pavement performance experiment on the basis of meeting the performance indexes related to the pavement use performance; s3, analyzing and judging whether standard requirements are met or not according to road performance experiment results: (1) if yes, executing the step S4; (2) if not, skipping to the step S1; s4, optimizing the design of the asphalt mixture according to the ...

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Номер записи: 2
14-07-2023 дата публикации

Dynamic polymer with super tensile property for permanent roadbed, geogrid and preparation method of dynamic polymer

Номер: CN116425905A
Автор: DI ENZHOU, YAN XIANGPENG, SHAO HUA, WEI JINCHENG, XU QINSHENG, PUBUZHAXI, CHEN TINGTING, KUMI GAKUWA, ZHANG ZHENGCHAO, HU JIABO, SUN QIANG, HAN YE, SUN ZHAOYUN, YANG YONGFU, XU XIZHONG
Принадлежит:

The invention belongs to the technical field of civil engineering, and particularly relates to a dynamic polymer with super tensile property for a permanent roadbed, a geogrid and a preparation method of the dynamic polymer. The preparation method of the dynamic polymer comprises the following steps: firstly, preparing an intermediate product A; then preparing an intermediate product B; and finally preparing the dynamic polymer. The geogrid for the permanent roadbed prepared from the dynamic polymer can greatly improve the tensile strength of the original geogrid, the strength is also improved, and the geogrid has excellent roadbed reinforcing capacity.

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Номер записи: 3
18-11-2015 дата публикации

Bituminous paving elder member of a family slope section rut prevention device

Номер: CN0204780549U
Автор: HAN WENYANG, HU GUILING, WEI JINCHENG, LI JIN, YU SIXIN, SUN QIANG, WANG GUANGYONG, SUN ZHAOYUN, YAN XIANGPENG
Принадлежит:

The utility model provides a bituminous paving elder member of a family slope section rut prevention device, include: key control unit, road surface temperature data collection system, automatic spraying system and driving safety warning system, key control unit carries out analytical judgement to received real -time temperature data, the current information of real -time vehicle, control automatic spraying system and the work of driving safety warning system, the while through 3G wireless transmission module with the long -range server end that sends of the operating condition of system, accept the instruction of server end simultaneously. The utility model discloses a bituminous paving elder member of a family slope section rut prevention device is simpler, swift and high -efficient, and the cost is lower moreover, driving safety and road maintenance has been compromise, bituminous paving's temperature can be effectively reduced to the production that effectively slows down the bituminous ...

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Номер записи: 4
30-10-2020 дата публикации

Anchoring type coring device for large-thickness cement stabilized macadam base

Номер: CN0211825136U
Автор: LYU SIZHONG, SU JIANMING, MA SHIJIE, ZHANG JUNHUA, YAN XIANGPENG, CUI SHIPING, WANG KAI, YAN QINGLIANG, JIANG KAN, WEI JINCHENG, HAN YE, WU WENJUAN, SUN QIANG, ZHANG ZHENGCHAO
Принадлежит: SHANDONG HI SPEED CO LTD, SHANDONG TRANSP INST, SHANDONG HI-SPEED COMPANY LIMITED, SHANDONG TRANSPORTATION INSTITUE

The utility model relates to the field of road engineering quality detection equipment, in particular to an anchoring type coring device for a large-thickness cement stabilized macadam base, which comprises a frame, a vertical moving mechanism, a rotary driving mechanism and a cutting ring mechanism, and the cutting ring mechanism comprises a cutting ring, a stud, a nut and a limit cover; a sleeveis fixedly arranged at the upper end of the cutting ring, and the stud is sleeved with the sleeve in an axial sliding mode through a spline; a limiting flange is arranged on the nut, the limiting cover is arranged outside the limiting flange in a sleeving mode and fixedly connected with the sleeve, and the nut can rotate relative to the limiting cover; and an anchor rod coaxial with the stud is fixedly arranged at the lower end of the stud. According to the anchoring type coring device for the large-thickness cement stabilized macadam base, the cutting ring and the anchor rod which can synchronously ...

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Номер записи: 5
05-05-2023 дата публикации

Method for preventing and treating fatigue cracking of asphalt pavement in whole process

Номер: CN116065439A
Автор: BI YUFENG, XU XIZHONG, DING TINGTING, WEI JINCHENG, SUN JIANXIU, ZHANG XIAOMENG, YU DESHUI, WANG ZHUO, HU JIABO, JI ZHENGJUN, YANG YONGFU, FU DONGXU, WU WENJUAN
Принадлежит:

The invention discloses a method for preventing and treating fatigue cracking of an asphalt pavement in the whole process, belongs to the technical field of road engineering, and aims to solve the technical problems of how to improve the fatigue cracking resistance of the asphalt pavement and prolong the fatigue life of the asphalt pavement. According to the technical scheme, the method comprises the following specific steps: S1, a design stage: initially simulating pavement structure combination and the thickness of each structure layer according to traffic parameters, roadbed soil texture, top surface equivalent resilience modulus, humidity, temperature and other influence factors, and carrying out anti-fatigue cracking design according to complex stress response of load and temperature; s2, a construction stage: during construction, strictly controlling the quality of construction materials, and adopting various measures to improve the anti-fatigue capability of the pavement; and S3, ...

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Номер записи: 6
23-04-2014 дата публикации

Internal bottle plug drilling machine

Номер: CN103737674A
Автор: ZOU GUOAN, LI WEI, LIU WENQI, WEI JINCHENG, TAN YONG, DENG BIN, WEI JIN
Принадлежит:

The invention discloses an internal bottle plug drilling machine. The internal bottle plug drilling machine comprises a drilling device which is connected with a frame, and is driven by a power drive unit to move and drill; drilling direction of the drilling device is provided with a main rotating wheel which is arranged right oppositely to a drilling position; the rotating plane of the main rotating wheel is vertical to the drilling device; a same turning radius of the main rotating wheel is provided at least two drilling positioning grooves; the frame is provided with internal bottle plug guide rails; the internal bottle plug guide rails are used for arranging the internal bottle plug, and delivering the internal bottle plug to an outlet of the lower end of the internal bottle plug guide rails; and an outlet of the upper end of the internal bottle plug guide rails is arranged right oppositely to the drilling positioning grooves of the main rotating wheel. Advantages of the internal bottle ...

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Номер записи: 7
20-08-2008 дата публикации

Asphalt concrete pavement stress-strain detecting method and system

Номер: CN0101246157A
Автор: LIAO BAOLIANG, WANG LIN, WEI JINCHENG, BAOLIANG LIAO, LIN WANG, JINCHENG WEI
Принадлежит:

The invention discloses a method for testing asphalt concrete pavement stress-strain and the special test system thereof, which belongs to the research field of asphalt concrete pavement structural performance, the characteristic of the invention resides in that: concrete precast block containing stress-strain sensor is buried in test pavement for collecting pavement response data. Compared with prior art, the invention asphalt concrete pavement stress-strain test method and the special test system thereof have advantages of high sensor survival rate, accuracy measurement and so on, which can be applied in the attenuation discipline test research of pavement structure and material property under the action of traffic and natural environment.

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Номер записи: 8
24-12-2014 дата публикации

Method for precisely estimating CFO (carrier frequency offset) under compressive sampling

Номер: CN104243134A
Автор: QING CHAOJIN, ZHANG MINTAO, PENG HONG, DONG XIUCHENG, WEI JINCHENG
Принадлежит:

The invention discloses a method for precisely estimating a CFO (carrier frequency offset) based on compressive sensing technology. The method includes: a, compressing a sampling signal; b, reconstructing a rough estimation measurement of the CFO; c, finding a maximum amplitude value of the rough estimation measurement of the CFO; d, constructing a precise estimation measurement of the CFO; 3, searching for a precise estimation value of the CFO. The method according to the scheme has the advantages that compressive sampling based on CFO estimation can be achieved, sampling rate required by CFO estimation is lowered, and the requirement of CFO estimation on sampling devices is lowered; meanwhile, the CFO under compressive sampling can be precisely estimated by the method, and precision of CFO estimation based on compressive sensing is effectively improved.

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Номер записи: 9
23-06-2023 дата публикации

Single-component polyurethane mortar mixture and preparation method thereof

Номер: CN116283060A
Автор: ZHAO HAISHENG, ZHANG WENSHENG, LI ZHONG, CUI SHIPING, GAO WENBIN, MIAO BAOJI, ZHANG HANZHI, WEI JINCHENG, MA SHIJIE, WANG LIN, WANG XIAOYAN, SU CHUNHUA, DI ENZHOU, LIU SHAN, ZHANG PEIYU
Принадлежит:

The invention belongs to the technical field of road engineering, and particularly discloses a single-component polyurethane mortar mixture and a preparation method thereof. The preparation method has the characteristics that the grading, the preparation method, the performance requirements and the like of the single-component polyurethane mortar mixture are clearly explained and stipulated. The grading of the single-component polyurethane mortar mixture and the design of the polyurethane content do not take the volume index as the standard, but are based on the performance index of the single-component polyurethane mortar mixture. According to the preparation of the single-component polyurethane mortar mixture, a reasonable forming process and curing conditions are determined according to the strength forming characteristics and influence factors of the single-component wet-curing polyurethane, so that the polyurethane is completely cured, and the performance of a test piece is not influenced ...

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Номер записи: 10
11-08-2023 дата публикации

Shield tunnel permanent anti-floating structure and construction method

Номер: CN116575931A
Автор: CHEN XIANGYU, ZHOU CANLANG, LIN XIANG, HAN GUOJUN, PAN QIAN, LIANG YU, YE XINYU, WU WEILIN, YU QINGPING, WEI JINCHENG
Принадлежит:

The invention provides a shield tunnel permanent anti-floating structure which is characterized in that steel pipe pieces and reinforced concrete pipe pieces which are distributed at intervals are spliced to form an annular coating, a first detachable steel pipe piece sub-block and a second detachable steel pipe piece sub-block are spliced at the joint of the lower portion of the annular coating, and an anti-floating pile is arranged below the annular coating; the anti-floating longitudinal beams in the tunnel hole are connected with the anti-floating piles below the tunnel, the anti-floating effect is achieved, an anti-floating pressing plate does not need to be excavated and constructed on the ground, ground traffic and the surrounding environment are not affected, and the anti-floating effect is achieved. The engineering cost caused by ground excavation, pipeline relocation and traffic relief is saved, and the method has obvious advantages in the aspects of strength and service life.

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Номер записи: 11
01-08-2023 дата публикации

Novel unmanned aerial vehicle assisted PRTV spraying device

Номер: CN116510952A
Автор: MIN KAILONG, LYU JIANPAN, QIAN CHENG, TAN XIAOYAN, HE WENWU, DING ZHIFENG, LI XIN, ZHANG BEIJING, HUANG LI, ZHOU QING, CHENG QI, LIU JUNXIU, WEI JINCHENG, LIU KUIQI, AIZEZI TUERHONG
Принадлежит:

The novel unmanned aerial vehicle assisted PRTV spraying device comprises a coating storage container and a spraying barrel position adjusting mechanism which are arranged on an unmanned aerial vehicle, the spraying barrel position adjusting mechanism is fixed to a spraying barrel through a spraying barrel fixing mechanism, an annular spraying head fixing mechanism is arranged in the spraying barrel, and a plurality of spraying heads are distributed on the annular spraying head fixing mechanism; a sliding rod sliding in the height direction of the spraying barrel fixing mechanism is fixed to the annular spraying head fixing mechanism, a material conveying pipe is communicated between the sliding rod and the coating storage container, the spraying barrel comprises a first arc-shaped plate, a second arc-shaped plate and a third arc-shaped plate, and the first arc-shaped plate is fixed to the spraying barrel fixing mechanism; the second arc-shaped plate and the third arc-shaped plate are rotationally ...

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Номер записи: 12
27-06-2023 дата публикации

Laying structure and method for single-component polyurethane drainage anti-crack and anti-rutting pavement

Номер: CN116334971A
Автор: ZHAO HAISHENG, LI ZHONG, ZHANG WENSHENG, CUI SHIPING, GAO WENBIN, MIAO BAOJI, ZHANG HANZHI, WANG XIAOYAN, WEI JINCHENG, MA SHIJIE, WANG LIN, SU CHUNHUA, DI ENZHOU, LIANG HAO, LIU SHAN, ZHANG PEIYU
Принадлежит:

The invention belongs to the technical field of road engineering, and particularly discloses a paving structure and method of a single-component polyurethane drainage anti-crack and anti-rutting pavement. A composite base layer is adopted, a drainage anti-crack flexible base layer of a multi-gap large-particle-size single-component polyurethane mixture is paved on a cement stabilized macadam base layer, a lower surface layer is made of an asphalt mixture, a middle surface layer is made of a polyurethane mixture to resist ruts, and an upper surface layer is made of an asphalt mastic macadam mixture. Compared with the prior art, the invention aims at the characteristics that a single-component polyurethane mixture resists high-temperature deformation and a multi-gap large-particle-size mixture resists reflection cracks of a cement stabilized macadam base; the problems that a traditional multi-gap large-particle-size asphalt mixture needs high-temperature construction and is poor in long-term ...

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Номер записи: 13
23-11-2011 дата публикации

Method for testing fatigue damage of inorganic binding material stabilizing material

Номер: CN0102252916A
Автор: JINCHENG WEI, SIXIN YU, LIN WANG, SHIJIE MA, SHIPING CUI, WEI JINCHENG, YU SIXIN, WANG LIN, MA SHIJIE, CUI SHIPING
Принадлежит:

The invention discloses a method for testing the fatigue damage of an inorganic binding material stabilizing material, and belongs to the field of road engineering. The method comprises the following steps of: cutting a vibration moulding large beam test piece serving as matrix into a plurality of small beam test pieces which meet the specification, determining the fatigue load of the small beam test pieces on the same layer through the bending strength test of the small beam test pieces on the same layer, performing four-point bent beam dynamic repeat load test on the basis, measuring the central deflection change of small beams in the test process to obtain the decay law of dynamic bending modulus along with fatigue load frequency in the approximately actual stress state, and the growthlaw of the bending stress along with the fatigue load frequency, and performing the repeat load test under the conditions of different stress ratios according to the method to obtain the fatigue damage ...

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Номер записи: 14
23-06-2023 дата публикации

Polyurethane pavement structure design method

Номер: CN116312883A
Автор: ZHAO HAISHENG, ZHANG WENSHENG, CUI SHIPING, MIAO BAOJI, ZHANG HANZHI, WEI JINCHENG, MA SHIJIE, WANG LIN, WANG XIAOYAN, SU CHUNHUA, DI ENZHOU, LIU SHAN, ZHANG PEIYU
Принадлежит:

The invention provides a polyurethane pavement structure design method, and particularly relates to the technical field of road engineering. The designed polyurethane pavement structure sequentially comprises a base layer, a multifunctional layer, a polyurethane mixture layer and an anti-skid wearing layer from bottom to top, an anti-fatigue bearing layer and an anti-rutting layer are arranged in the polyurethane mixture layer, and traffic load design parameters of the polyurethane pavement structure are obtained; the method comprises the following steps of: obtaining dynamic moduli of all structural layers in a polyurethane pavement structure at the highest pavement surface temperature in a paving area by utilizing a dynamic modulus test, and according to the planned thickness of a polyurethane mixture layer in the polyurethane pavement structure and on the basis of an elastic layered system theory; and determining the design thickness of the polyurethane mixture layer according to the ...

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Номер записи: 15
27-03-2018 дата публикации

Bituminous mills and digs material type pavement material water content rapid determinator

Номер: CN0207147919U
Автор: DONG ZHAO, WEI JINCHENG, FU JIANCUN, ZHOU HAIFANG, SUN QIANG, YU SIXIN
Принадлежит: SHANDONG TRANSP INST, SHANDONG HIGHWAY ENG CONSTRUCTION GROUP CO LTD, SHANDONG TRANSPORTATION INSTITUE, SHANDONG HIGHWAY ENGINEERING CONSTRUCTION (GROUP) CO., LTD.

The utility model discloses a bituminous mills and digs material type pavement material water content rapid determinator belongs to road engineering check out test set field, and its structure is including the section of thick bamboo of drying, rotary driving mechanism, hot wind mechanism and controller, the section of thick bamboo of drying provides to dry and uses the container for waiting to detect pavement material, rotary driving mechanism is used for making a stoving section of thick bamboo rotatory along its circumferencial direction for the section of thick bamboo of drying provides power, hot wind mechanism is used for for waiting that it provides the heat source to detect pavement material heating and drying, rotary driving mechanism, hot wind mechanism all are connected with controller for electric. Compared with the prior art, the utility model discloses a bituminous mills and digs material type pavement material water content rapid determinator can realize the witnessed inspections ...

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Номер записи: 16
27-08-2008 дата публикации

Method for continuous processing T beam bridge floor

Номер: CN0101250857A
Автор: WANG LIN, WEI JINCHENG, MA SHIJIE, LIN WANG, JINCHENG WEI, SHIJIE MA
Принадлежит:

The invention disclose a T beam bridge deck continuous processing method, which belongs to the maintenance treatment field of bridge deck diseases. The method bonds hot bitumen or a joint adhesive tape and asphalt mastic to maintain and treat a wet joint of the bridge deck, the construction quality is excellent, the speed is rapid, and the effect is remarkable.

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Номер записи: 17
13-07-2011 дата публикации

Microbial fuel cell semicoke electrode and preparation method thereof

Номер: CN0102122716A
Автор: XIA HUANG, JINCHENG WEI, PENG LIANG, HUANG XIA, WEI JINCHENG, LIANG PENG
Принадлежит:

The invention discloses a microbial fuel cell padding type semicoke electrode and a preparation method thereof, which belong to the technical field of waste water treatment. The semicoke electrode is formed by stacking semicoke particles of which the particle size is 2 to 5 millimeters and which are obtained by mechanically chopping and sieving market blocked semicokes in the cavity of a microbial fuel cell. In the semicoke electrode, when the semicoke is used as an anode material, the maximum electrogenesis power density is only 14.7 percent less than that of the conventional common carbon felt and 8.8 percent less than that of the conventional common graphite; and when the semicoke is used as a cathode material, the maximum electrogenesis power density is 13.6 percent more than that of the conventional carbon felt and 39.6 percent more than that of the conventional common graphite. The semicoke electrode has extremely low cost, the manufacturing method is simple, and the filling density ...

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Номер записи: 18
22-06-2011 дата публикации

Nitrogenous transition metal microbial fuel-cell catalyst and preparation method thereof

Номер: CN0102104154A
Автор: XIA HUANG, LI WANG, PENG LIANG, JINCHENG WEI, HUANG XIA, WANG LI, LIANG PENG, WEI JINCHENG
Принадлежит:

The invention discloses a preparation method of a nitrogenous transition metal microbial fuel-cell catalyst, belonging to the technical field of catalyst preparation. The preparation method comprises the following steps of: forming a stable chelate through disodium ethylene diamine tetraacetate and transition metal by utilizing the complexation of the disodium ethylene diamine tetraacetate; and forming an oxygen reduction catalytic activity center under the condition of a high-temperature reducing gas so as to prepare the nitrogenous transition metal microbial fuel-cell catalyst. The preparation method has lower cost and simple preparation process; and in addition, the nitrogenous transition metal microbial fuel-cell catalyst has larger specific surface area, high activity and good stability.

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Номер записи: 19
27-05-2015 дата публикации

Method for detecting amount of emulsified asphalt used in emulsified asphalt cold-recycling mixture

Номер: CN104655518A
Автор: DONG ZHAO, WEI JINCHENG, LI MINGZHU, MA SHIJIE, YU YUE, MA XIA
Принадлежит:

The invention discloses a method for detecting the amount of emulsified asphalt used in an emulsified asphalt cold-recycling mixture, belonging to the technical field of highway asphalt pavement regeneration. The method comprises the following steps: (1) feeding water into a certain amount of emulsified asphalt cold-recycling mixture, and mixing, wherein the mass of the emulsified asphalt cold-recycling mixture is denoted by m material; (2) sieving the water and the mixture, and recovering a filtrate; (3) repeating the steps (1) and (2) until the liquid for soaking the mixture is clear; (4) evaporating the filtrate to dryness, then carrying out an extracting test on the dried material, and calculating the weight of the extracted asphalt, wherein the weight of the extracted asphalt is denoted by m; (5) calculating the amount W of the emulsified asphalt according to the solid content P obtained by an indoor detection test, wherein W=m/ m material/ p. Compared with the prior art, the problem ...

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Номер записи: 20
04-08-2010 дата публикации

Permanent pavement design method

Номер: CN0101792992A
Автор: GAO XUECHI, MA SHIJIE, WANG LIN, WANG XIAOYAN, WEI JINCHENG, YANG YONGSHUN, XUECHI GAO, SHIJIE MA, LIN WANG, XIAOYAN WANG, JINCHENG WEI, YONGSHUN YANG
Принадлежит:

The invention discloses a permanent pavement design method which belongs to the field of road engineering. The method comprises the following steps: using asphalt mixture ultimate tensile strain as a design index, using a vehicle axle load spectrum, a pavement temperature field and a pavement material dynamic modulus as design parameters, and combining a computer simulation technology and an elastic laminar mechanics theory to obtain pavement structural strain distribution approaching to a true state so as to accurately predict the pavement life and design a pavement structure with long life. Compared with a traditional design method, the invention solves the important technical difficult problem that the pavement structure designed by the traditional design method needs periodic reconstruction, realizes the goals of durability, economy and environmental protection of the pavement structure and has good popularization and application value.

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Номер записи: 21
04-04-2023 дата публикации

Pouring type large-thickness water-stable macadam base and paving method thereof

Номер: CN115893936A
Автор: WANG HAO, DONG ZHAO, ZHU ZHENXIANG, MA SHIJIE, XIONG DALU, DUAN MEIDONG, SUN QIANG, WANG LIN, LI CHANGHUI, WEI JINCHENG, SONG SHUQIN, LIU JIUWEI, LYU JIANHAN, XU SHUDONG, WANG ZHIXIN
Принадлежит:

The invention discloses a pouring type large-thickness water-stable macadam base and a paving method thereof, and belongs to the field of road engineering. The pouring type large-thickness water-stable macadam base is composed of a large-thickness macadam framework structure and a grouting material, the large-thickness macadam framework structure is designed in a two-layer mode, the lower layer is a super-large-particle-size aggregate layer, the upper layer is a medium-particle-size aggregate layer, cement cementing materials are adopted, and the grouting material is poured into the large-thickness macadam framework structure at a time. The mass percent of the recycled powder in the powder of the grouting material is not less than 50%. Compared with the prior art, the pouring type large-thickness water-stable macadam base has the advantages that the dry shrinkage and temperature shrinkage performance of the water-stable macadam base can be improved, transverse cracks of a semi-rigid base ...

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Номер записи: 22
10-11-2010 дата публикации

Water pollution organism early warning system and method based on principle of microbial fuel cells

Номер: CN0101882350A
Автор: XIA HUANG, XIAOXIN CAO, PENG LIANG, XUE XIA, XI CHEN, JINCHENG WEI, HUANG XIA, CAO XIAOXIN, LIANG PENG, XIA XUE, CHEN XI, WEI JINCHENG
Принадлежит:

The invention provides a water pollution organism early warning system based on the principle of microbial fuel cells (MFC), characterized by comprising an MFC sensitive unit, a signal acquisition and processing unit and a remote warning unit, wherein the MFC sensitive unit adopts a three-in-one structure and a continuous flow between the anode and the cathode and contains no noble metal catalysts. The early warning system is installed in a water body to be monitored during online monitoring, raw water enters into the MFC sensitive unit, and the magnitude of external resistance is regulated so as to obtain maximum system sensitivity. The output voltage/current of the MFC sensitive unit is acquired by the signal acquisition and processing unit and is uploaded, stored and displayed on a display in real time after calculation processing. Once the signal changes and exceeds a threshold value, the signal acquisition and processing unit sends a warning cue signal to related monitoring stations ...

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Номер записи: 23
21-04-2010 дата публикации

Method for detecting stress and strain of road surface

Номер: CN0101696878A
Автор: Wei Jincheng, Wang Xiaoyan, Liao Baoliang, Xin Xing
Принадлежит:

The invention discloses a method for detecting stress and strain of a road surface, belonging to the field of structure performance research of bituminous road surface. In the method, a bituminous layer strain sensor, a soil pressure case, a temperature sensor and a shaft sensor are embedded at the proper position of the road to be tested; and the data collected by a high-speed data collecting system is analyzed and processed to obtain the stress and strain of the road surface. The data measured by the method can reflect the actual situation of the road surface and has favorable values for promotion and application. The invention can be widely applied to the stress state, change rule and detection technology research inside the road surface under the action of traffic load and the coupling action of environmental variation.

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Номер записи: 24
13-06-2023 дата публикации

Single-component polyurethane mixture cement concrete bridge deck pavement method

Номер: CN116254771A
Автор: ZHAO HAISHENG, ZHANG WENSHENG, LI ZHONG, CUI SHIPING, MIAO BAOJI, GAO WENBIN, ZHANG HANZHI, WEI JINCHENG, MA SHIJIE, WANG LIN, WANG XIAOYAN, SU CHUNHUA, DI ENZHOU, LIANG HAO, LIU SHAN, ZHANG PEIYU
Принадлежит:

The invention belongs to the technical field of road engineering, and particularly discloses a single-component polyurethane mixture cement concrete bridge deck pavement method. Comprising the following steps: S1, treating the top surface of a cement concrete pavement layer; s2, spraying a certain amount of modified emulsified asphalt; s3, an SBS modified asphalt gravel sealing layer is constructed, and the spreading amount of SBS modified asphalt is 0.8-1.0 kg/m < 2 >; the gravels adopt two grades of particle sizes of 5-10 mm and 10-15 mm, and the spreading amount needs to ensure that the coverage rate of the gravels is 60-70%; s4, carrying out full-width rolling twice by adopting a rubber wheel road roller; s5, polyurethane mortar is constructed, and the construction thickness ranges from 1.5 cm to 2.5 cm; s6, single-component polyurethane is spread, and the spreading amount is 1.0-1.2 kg/m < 2 >; and S7, a polyurethane mixture pavement layer is constructed, and the grading type and the ...

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Номер записи: 25
14-03-2012 дата публикации

Dynamic simulation tester for highroad and deck paving interlaminar action

Номер: CN0101256137B
Автор: WEI JINCHENG, LIAO BAOLIANG, WANG LIN, CHEN JIANG, FU JIANCUN, JINCHENG WEI, BAOLIANG LIAO, LIN WANG, JIANG CHEN, JIANCUN FU
Принадлежит:

The invention relates to the field of interlayer coupling dynamic test, particularly provides a road and deck pavement interlayer effect dynamic modeling tester, that is a reaction frame assembly is equipped around the direct shear apparatus, the screw rod is used by the reaction frame assembly cross the two pieces of pressure steel plates respectively, two ends of the two pieces of pressure steel plates are equipped with haulmy nuts, two pieces of pressure steel plates are equipped between the haulmy nuts and are connected with the screw rods in slide connection; wherein one pressure steel plate is welded with hydraulic device, the loading rod end of the hydraulic device is equipped with a load sensor, the load sensor is equipped with a boosting steel plate thereon, the boosting steel plate is equipped with a slide roller train. While the invention utilizes the reaction frame to give target test piece a transversal force, the invention utilizes the hydraulic test machine, MTS or UTM and ...

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Номер записи: 26
19-02-2014 дата публикации

Maximum likelihood carrier frequency deviation estimation method of compression reconstruction

Номер: CN103595668A
Автор: QING CHAOJIN, ZHANG MINTAO, PENG HONG, DONG XIUCHENG, WANG JUN, WEI JINCHENG
Принадлежит:

The invention discloses a maximum likelihood carrier frequency deviation estimation method of compression reconstruction. The maximum likelihood carrier frequency deviation estimation method is used for carrier frequency synchronization of communication systems. The method includes the steps of forming an N*1 receipt signal sequence x according to a received training sequence of a transmitting end, reading a sensing matrix from a specific storage position, obtaining a compression domain measurement set y according to the received signal sequence x and the compression ML frequency deviation estimation measurement of the sensing matrix, reconstructing an ML frequency deviation estimation measurement set y1 through the compression domain measurement set y, and conducting mapping to obtain an ML frequency deviation estimation value according to the maximum value position index of the ML frequency deviation estimation measurement set y1. The method solves the problems that a high-precision maximum ...

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Номер записи: 27
30-04-2014 дата публикации

Asphalt pavement crack quick repairing method

Номер: CN103758009A
Автор: WEI JINCHENG, ZHAO HAISHENG, WANG LIN, WANG XIAOYAN, FU JIANCUN, HU ZONGWEN, CHENG YU, YU SIXIN, SUN QIANG, HU JIABO
Принадлежит:

The invention discloses an asphalt pavement crack quick repairing method, belonging to the field of road engineering. The method is characterized in that a V-shaped slot with a certain specification is formed along an asphalt pavement crack, a slot wall is coated with modified emulsified asphalt, and the slot is backfilled and compacted with a fine-grain embedded extrusion type asphalt mixture. Compared with the prior art, the repairing method disclosed by the invention has the characteristics of simplicity in operation, low influence on pavement structures on two sides of the crack, high repairing speed, no influence on traffic, economy and the like, has perfect values in popularization and application, and can be widely applied to the repair of asphalt pavements.

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Номер записи: 28
12-10-2011 дата публикации

Permanent pavement design method

Номер: CN0101792992B
Автор: GAO XUECHI, MA SHIJIE, WANG LIN, WANG XIAOYAN, WEI JINCHENG, YANG YONGSHUN, XUECHI GAO, SHIJIE MA, LIN WANG, XIAOYAN WANG, JINCHENG WEI, YONGSHUN YANG
Принадлежит:

The invention discloses a permanent pavement design method which belongs to the field of road engineering. The method comprises the following steps: using asphalt mixture ultimate tensile strain as a design index, using a vehicle axle load spectrum, a pavement temperature field and a pavement material dynamic modulus as design parameters, and combining a computer simulation technology and an elastic laminar mechanics theory to obtain pavement structural strain distribution approaching to a true state so as to accurately predict the pavement life and design a pavement structure with long life.Compared with a traditional design method, the invention solves the important technical difficult problem that the pavement structure designed by the traditional design method needs periodic reconstruction, realizes the goals of durability, economy and environmental protection of the pavement structure and has good popularization and application value.

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Номер записи: 29
16-09-2015 дата публикации

Determination method for semi-rigid base bituminous pavement crack damage state

Номер: CN104915480A
Автор: WEI JINCHENG, YU SIXIN, HAN WENYANG, WANG LIN, MA SHIJIE, SUN XIAONAN
Принадлежит:

The invention relates to a determination method for a semi-rigid base bituminous pavement crack damage state. The method comprises the steps that 1, nondestructive deflection testing is conducted on the top surface of a semi-rigid base bituminous pavement crack, the portions which are 15 cm away from the two sides of the crack, the portions which are 50 cm away from the two sides of the crack, the portions which are 100 cm away from the two sides of the crack, the portions which are 150 cm away from the two sides of the rack and the portions which are 200 cm away from the two sides of the crack, and the deflection values of all the testing points are obtained; 2, a deflection curve is drawn through the distance between the testing points and the crack and the deflection values of the testing points; 3, the crack damage state is determined comprehensively according to the line shape of the deflection curve and the maximum deflection value. The determination method for the semi-rigid base ...

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Номер записи: 30
30-10-2020 дата публикации

Clamping type coring device for large-thickness cement stabilized macadam base

Номер: CN0211825137U
Автор: LYU SIZHONG, LIU JIARONG, SU JIANMING, MA SHIJIE, YAN XIANGPENG, ZHANG JUNHUA, WANG KAI, YAN QINGLIANG, LI JIE, ZHANG ZHENGCHAO, WEI JINCHENG, CHEN TINGTING, HAN WENYANG, ZHANG XIAOMENG, CUI SHIPING
Принадлежит: SHANDONG HI SPEED CO LTD, SHANDONG TRANSP INST, SHANDONG HI-SPEED COMPANY LIMITED, SHANDONG TRANSPORTATION INSTITUE

The utility model relates to the field of road engineering quality detection equipment, in particular to a clamping type coring device for a large-thickness cement stabilized macadam base, which comprises a rack, a vertical moving mechanism, a rotary driving mechanism and a cutting ring mechanism, the cutting ring mechanism comprises a base plate, cutting ring units and a synchronous belt, the multiple cutting ring units are arranged on the base plate in the circumferential direction of the base plate, and each cutting ring unit comprises a cutting ring blade, a screw, a nut, a synchronous belt wheel, a driving bevel gear and a driven bevel gear. Relative to the prior art, the clamping type coring device for the large-thickness cement stabilized macadam base is provided with the cutting ring mechanism; after a cylindrical core sample is cut from a cement stabilized macadam base layer, the cutting ring mechanism enables the cutting ring blade to move inwards in the radial direction of the ...

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Номер записи: 31
03-11-2010 дата публикации

Method for continuous processing T beam bridge floor

Номер: CN0101250857B
Автор: MA SHIJIE, WEI JINCHENG, WANG LIN, SHIJIE MA, JINCHENG WEI, LIN WANG
Принадлежит:

The invention disclose a T beam bridge deck continuous processing method, which belongs to the maintenance treatment field of bridge deck diseases. The method bonds hot bitumen or a joint adhesive tape and asphalt mastic to maintain and treat a wet joint of the bridge deck, the construction quality is excellent, the speed is rapid, and the effect is remarkable.

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Номер записи: 32
05-01-2011 дата публикации

Method for detecting stress and strain of road surface

Номер: CN0101696878B
Автор: WEI JINCHENG, WANG XIAOYAN, LIAO BAOLIANG, XIN XING, JINCHENG WEI, XIAOYAN WANG, BAOLIANG LIAO, XING XIN
Принадлежит:

The invention discloses a method for detecting stress and strain of a road surface, belonging to the field of structure performance research of bituminous road surface. In the method, a bituminous layer strain sensor, a soil pressure case, a temperature sensor and a shaft sensor are embedded at the proper position of the road to be tested; and the data collected by a high-speed data collecting system is analyzed and processed to obtain the stress and strain of the road surface. The data measured by the method can reflect the actual situation of the road surface and has favorable values for promotion and application. The invention can be widely applied to the stress state, change rule and detection technology research inside the road surface under the action of traffic load and the coupling action of environmental variation.

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Номер записи: 33
09-06-2023 дата публикации

Single-component polyurethane tunnel pavement structure

Номер: CN116240767A
Автор: ZHAO HAISHENG, ZHANG WENSHENG, LI ZHONG, CUI SHIPING, GAO WENBIN, ZHANG HANZHI, MIAO BAOJI, WEI JINCHENG, MA SHIJIE, WANG LIN, WANG XIAOYAN, SU CHUNHUA, DI ENZHOU, LIU SHAN, ZHANG PEIYU
Принадлежит:

The invention provides a single-component polyurethane tunnel pavement structure, and particularly relates to the technical field of road engineering. The single-component polyurethane tunnel pavement structure is sequentially provided with a base layer, a rubber powder modified asphalt macadam sealing layer and a pavement layer from bottom to top, the base layer is formed by paving cement stabilized macadam or cement concrete, and the rubber powder modified asphalt macadam sealing layer is formed by paving rubber powder modified asphalt and macadam. The pavement layer is sequentially provided with a polyurethane mixture bearing layer, a polyurethane mixture anti-rutting layer and a polyurethane mixture noise reduction layer from bottom to top, and cementing materials of the polyurethane mixture bearing layer, the polyurethane mixture anti-rutting layer and the polyurethane mixture noise reduction layer are all single-component polyurethane. According to the invention, the single-component ...

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Номер записи: 34
23-04-2014 дата публикации

Drainage crack resistance based old road expansion splicing structure and method

Номер: CN103741569A
Автор: WEI JINCHENG, LI JIN, LU SHENGDI, YU SIXIN, HU ZONGWEN, HAN WENYANG, SUN QIANG, FU JIANCUN, CHENG YU, SUN ZHAOYUN
Принадлежит:

The invention discloses a drainage crack resistance based old road expansion splicing structure and method, belonging to the field of road engineering. The structure and the method are characterized in that stratified milling is carried out on a structural layer of the old road from a splicing seam to the outside, and structural layer splicing steps with certain width are reserved corresponding to the pavement structure of the old road during milling; the widened spliced pavement structure adopts the alternate dense and sparse composite structure form; the asphalt surface course thickness of the widened spliced pavement structure is the same as that of the old road; the interiors of the pavement structure and subgrade of the corresponding old road are horizontally drained; a flexible asphalt treatment drainage base course with certain thickness, a semi-rigid material compaction subbase with certain thickness and a graded broken stone drainage cushion course with certain thickness are respectively ...

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Номер записи: 35
04-08-2023 дата публикации

Efficient mixing equipment for cement stabilized macadam material

Номер: CN116533380A
Автор: AN PING, YUAN YUBO, CHEN XIANGCHEN, YAN XIANGPENG, LI HUI, WEI JINCHENG, XU QINSHENG, QIN SILONG, FANG JIAMING, LI DONGYU, LI LEFENG
Принадлежит:

The invention relates to the technical field of road engineering, and discloses cement stabilized macadam material efficient mixing equipment which comprises a lower mixing box body and an upper mixing box body, the lower mixing box body is located at the lower end of the upper mixing box body, and a discharging valve is arranged at the bottom of the lower mixing box body; a plurality of lower connecting blocks which are arranged in an annular array are fixedly mounted at the position, close to the upper end, of the outer surface of the lower mixing box body, a plurality of upper connecting blocks which are arranged in an annular array are fixedly mounted at the position, close to the lower end, of the outer surface of the upper mixing box body, and the lower connecting blocks and the upper connecting blocks are fixed through bolts; a mixing mechanism is rotatably mounted in the lower mixing box body and the upper mixing box body, and a protective box body is fixedly mounted at the upper ...

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Номер записи: 36
23-04-2014 дата публикации

Asphalt pavement paving method achieving quick construction and forming

Номер: CN103741570A
Автор: WEI JINCHENG, FU JIANCUN, CHENG YU, MA SHIJIE, YU SIXIN, HU ZONGWEN, DONG ZHAO, SUN QIANG, HU JIABO
Принадлежит:

The invention discloses an asphalt pavement paving method achieving quick construction and forming, belonging to the field of road engineering. The method is characterized by paving a subbase, a lower base course and an upper base course made from lime-flyash macadam mixtures and a surface course made from asphalt mixtures on an earth base in sequence, carrying out gradation design on the lime-flyash macadam mixtures into a dense skeleton type structure, and forming the pavement once by adopting a continuous layered paving and compaction process during construction. Compared with the prior art, the paving method has the beneficial effects that the technical problem of quick construction and forming of the asphalt pavement is solved; the construction time and cost are effectively saved; the traffic pressure is eased; the aims of quick construction of the pavement, saving, durability and environment friendliness are achieved; therefore, the method has good popularization and application values ...

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Номер записи: 37
26-03-2014 дата публикации

Compressed domain frequency shift estimation method

Номер: CN103685124A
Автор: QING CHAOJIN, DONG XIUCHENG, WEI JINCHENG, ZHANG MINTAO, XIA LING, YANG XIAOMING
Принадлежит:

The invention discloses a compressed domain frequency shift estimation method used for carrier frequency synchronization of all distinguishable path signals of a wireless communication system. The method includes the steps that a perception matrix Theta is constructed, and a received signal sequence x on a distinguishable path is extracted; frequency shift estimation of a compressed domain is preprocessed through the perception matrix Theta and the received signal sequence x on the distinguishable path, a preprocessing estimation value is obtained, a frequency shift estimation value of the distinguishable path signals in a non-compressed domain is mapped according to the preprocessing estimation value, and carrier frequency shift estimation is completed in the wireless system frequency synchronization process. Resources of a processor can be greatly saved with the method.

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Номер записи: 38
23-06-2023 дата публикации

Single-component wet-set polyurethane mixture anti-skid wearing layer and laying method

Номер: CN116289388A
Автор: ZHAO HAISHENG, ZHANG WENSHENG, LI ZHONG, CUI SHIPING, MIAO BAOJI, GAO WENBIN, WEI JINCHENG, MA SHIJIE, WANG XIAOYAN, WANG LIN, SU CHUNHUA, DI ENZHOU, LIANG HAO, LIU SHAN, ZHANG PEIYU
Принадлежит:

The invention belongs to the technical field of road engineering, and particularly discloses a single-component wet-setting type polyurethane mixture anti-skid wearing layer and a laying method. According to the invention, the grading type of the single-component wet-set polyurethane mixture anti-skid wearing layer, the type selection and performance requirements of the wet-set polyurethane and the mixing, transportation, paving, rolling and traffic opening time of the polyurethane mixture are clearly explained and stipulated. Compared with the prior art, according to the characteristics of single-component wet-set polyurethane and different application scenes, climate conditions, transportation distances and the like, anti-skid wear layer grading types with different functions are selected, polyurethane types with appropriate curing time are selected, the construction and use performance of the anti-skid wear layer is comprehensively guaranteed, and the anti-skid wear layer has good application ...

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Номер записи: 39
03-09-2008 дата публикации

Dynamic simulation tester for highroad and deck paving interlaminar action

Номер: CN0101256137A
Автор: WANG LIN, LIAO BAOLIANG, CHEN JIANG, FU JIANCUN, WEI JINCHENG, LIN WANG, BAOLIANG LIAO, JIANG CHEN, JIANCUN FU, JINCHENG WEI
Принадлежит:

The invention relates to the field of interlayer coupling dynamic test, particularly provides a road and deck pavement interlayer effect dynamic modeling tester, that is a reaction frame assembly is equipped around the direct shear apparatus, the screw rod is used by the reaction frame assembly cross the two pieces of pressure steel plates respectively, two ends of the two pieces of pressure steel plates are equipped with haulmy nuts, two pieces of pressure steel plates are equipped between the haulmy nuts and are connected with the screw rods in slide connection; wherein one pressure steel plate is welded with hydraulic device, the loading rod end of the hydraulic device is equipped with a load sensor, the load sensor is equipped with a boosting steel plate thereon, the boosting steel plate is equipped with a slide roller train. While the invention utilizes the reaction frame to give target test piece a transversal force, the invention utilizes the hydraulic test machine, MTS or UTM and ...

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Номер записи: 40
23-04-2014 дата публикации

Mosquito-repellent incense slice

Номер: CN103734128A
Автор: WEI JIN, TAN YONG, ZOU GUOAN, WEI JINCHENG, LIU WENQI, YAN JUNHUA, LI WEI
Принадлежит:

The invention discloses a mosquito-repellent incense slice. The mosquito-repellent incense slice is characterized in that: a base body shapes like a sheet; the bottom of the base body is provided with at least two convex blocks which are used for supporting the base body; the convex blocks shape like strips; the strip-shaped convex blocks are arranged in parallel; and cross sections of the convex blocks are arc in shape. Advantages of the mosquito-repellent incense slice are that: the mosquito-repellent incense slice is heated uniformly, and mosquito repellenting period is prolonged effectively.

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Номер записи: 41
16-05-2012 дата публикации

Water pollution organism early warning system and method based on principle of microbial fuel cells

Номер: CN0101882350B
Автор: XIA HUANG, XIAOXIN CAO, PENG LIANG, XUE XIA, XI CHEN, JINCHENG WEI, HUANG XIA, CAO XIAOXIN, LIANG PENG, XIA XUE, CHEN XI, WEI JINCHENG
Принадлежит:

The invention provides a water pollution organism early warning system based on the principle of microbial fuel cells (MFC), characterized by comprising an MFC sensitive unit, a signal acquisition and processing unit and a remote warning unit, wherein the MFC sensitive unit adopts a three-in-one structure and a continuous flow between the anode and the cathode and contains no noble metal catalysts. The early warning system is installed in a water body to be monitored during online monitoring, raw water enters into the MFC sensitive unit, and the magnitude of external resistance is regulated so as to obtain maximum system sensitivity. The output voltage/current of the MFC sensitive unit is acquired by the signal acquisition and processing unit and is uploaded, stored and displayed on a display in real time after calculation processing. Once the signal changes and exceeds a threshold value, the signal acquisition and processing unit sends a warning cue signal to related monitoring stations ...

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Номер записи: 42
01-10-2014 дата публикации

Paving structure of heavy-duty traffic road based on high stiffness modulus asphalt mixture

Номер: CN104074115A
Автор: WANG XIAOYAN, WEI JINCHENG, WANG LIN, MA SHIJIE, ZHAO HAISHENG
Принадлежит:

The invention discloses a paving structure of a heavy-duty traffic road based on a high stiffness modulus asphalt mixture and belongs to the technical field of road paving. The paving structure consists of an anti-wear layer, an anti-rutting deformation layer, an anti-fatigue layer and a semi-rigid base layer which are paved on a roadbed from top to bottom, wherein the anti-wear layer, the anti-rutting deformation layer and the anti-fatigue layer are high stiffness modulus asphalt mixture functional layers. Compared with the prior art, the paving structure disclosed by the invention solves the problem that a pavement structure of a conventional semi-rigid base layer asphalt pavement is damaged under the effect of heavy duty, has the characteristics of fatigue cracking resistance, permanent rutting deformation resistance, water damage resistance and the like, is low in life cycle cost, can be widely applied to heavy-duty traffic roads and has a high popularization and application value.

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Номер записи: 43
07-05-2014 дата публикации

Long-life urban slate landscape road paving structure

Номер: CN103774525A
Автор: WANG XIAOYAN, WEI JINCHENG, ZHAO HAISHENG, MA SHIJIE, WANG LIN, YU SIXIN, HAN WENYANG, SUN QIANG
Принадлежит:

The invention discloses a long-life urban slate landscape road paving structure and belongs to the field of municipal engineering. The long-life urban slate landscape road paving structure comprises a slate layer and a soil foundation, and is characterized in that a lime stabilized soil layer, an asphalt macadam sealing layer, a flexible asphalt stabilized macadam foundation layer (LSPM-25) and an asphalt sand layer are sequentially paved between the soil foundation and the slate layer from bottom to top. Compared with the prior art, the long-life urban slate landscape road paving structure has the characteristics that underground water can be quickly drained; the using performance is not influenced; the service life is prolonged; the influence on traffic caused by maintenance is reduced. The long-life urban slate landscape road paving structure has good popularization and application values, and can be widely applied to design and construction of an urban slate landscape road.

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Номер записи: 44
04-08-2023 дата публикации

Vehicle axle load spectrum and pavement response synchronous measurement system and method

Номер: CN116539328A
Автор: JI SHAOBO, HAN WENYANG, WEI JINCHENG, CHEN ZHONGYAN, WANG HAICHUAN, HU LONGYU, WEI JINGHONG
Принадлежит:

The invention discloses a vehicle axle load spectrum and road surface response synchronous measurement system and method. A detection module comprises induction units arranged at an entrance and an exit of a detection area, and an axle load measurement unit and a response measurement unit which are arranged in the detection area; the data acquisition module is used for acquiring an axle load measurement signal, a response measurement signal and a high-low level signal of the sensing unit, and storing the signals into a dynamic array; and the data analysis module is configured to extract the measurement signal of each unit from the dynamic array and obtain the change of the vehicle axle load and the driving track of a certain vehicle type to the response of the road surface according to the data of each unit. Acquisition of the vehicle speed, the vehicle model, the axle load and the vehicle driving track is achieved, the position of the tire acting on the road surface is obtained through ...

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Номер записи: 45
11-08-2023 дата публикации

Indoor forming method of single-component polyurethane mixture

Номер: CN116577160A
Автор: ZHAO HAISHENG, LI ZHONG, ZHANG WENSHENG, CUI SHIPING, GAO WENBIN, ZHANG HANZHI, MIAO BAOJI, WEI JINCHENG, MA SHIJIE, WANG LIN, WANG XIAOYAN, SU CHUNHUA, DI ENZHOU, LIANG HAO, LIU SHAN, ZHANG PEIYU
Принадлежит:

The invention provides a single-component polyurethane mixture forming method, and particularly relates to the technical field of road engineering. The method comprises the following steps: heating and drying aggregate for preparing a polyurethane mixture, cooling to room temperature, mixing the aggregate, mineral powder and polyurethane by using mixing equipment until no gray material exists, standing the mixed polyurethane mixture, forming the standing polyurethane mixture to prepare a polyurethane mixture test piece, and curing to obtain the polyurethane mixture. And testing the volume index of the maintained polyurethane mixture test piece, and calculating the maximum theoretical relative density of the polyurethane mixture based on a calculation method. According to the method, the indoor forming method of the polyurethane mixture is defined, so that the problem that indoor evaluation results of the performance of the polyurethane mixture are different due to various forming methods ...

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Номер записи: 46
02-05-2023 дата публикации

Asphalt pavement structure capable of relieving reflection cracks of semi-rigid base and paving method

Номер: CN116043630A
Автор: SHI NAN, LIU BOYING, JIN LONGFEI, ZHANG XIAOMENG, WANG YU, DONG ZHAO, FAN LIANG, WEI JINCHENG
Принадлежит:

The invention discloses an asphalt pavement structure capable of relieving reflection cracks of a semi-rigid base and a paving method, and belongs to the field of road engineering. The pavement structure is characterized in that a thin-layer graded broken stone stress absorption layer is arranged between a cement stabilized broken stone structure layer and an asphalt structure layer, the thickness of the thin-layer graded broken stone stress absorption layer is 8-11 cm, the particle size of broken stone is 0-26.5 mm, after the cement stabilized broken stone structure layer is rolled and formed, cement paste is sprayed immediately, and the asphalt structure layer is formed after the cement stabilized broken stone structure layer is rolled and formed. And continuously paving the thin-layer graded broken stone stress absorption layer, and then synchronously rolling and forming the cement stabilized broken stone structure layer and the thin-layer graded broken stone stress absorption layer ...

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Номер записи: 47
23-04-2014 дата публикации

Leak stoppage device of liquid bottle neck

Номер: CN103738574A
Автор: LIU WENQI, WEI JINCHENG, ZOU GUOAN, DENG BIN, WEI JIN, LI WEI, TAN YONG
Принадлежит:

A leak stoppage device of a liquid bottle neck comprises an outer cover casing and a leak stoppage surrounding edge, wherein the connection surface of the outer cover casing and a leak stoppage surrounding edge is a top sealed surface, a protruding ring is arranged at the corresponding position of the top sealed surface and the liquid bottle neck, an inner plug inner hole is in sleeving connection with a core bar to form a circular groove, the inner diameter of the circular groove and the leak stoppage surrounding edge are connected to form a sealing structure, and the outer diameter of the circular groove and the inner diameter of the liquid bottle neck are connected to form a sealing structure. A reverse buckling type sealing groove is formed in the top of the groove, the top of the sealing groove is matched with the protruding ring of an outer cover, and the liquid bottle neck is inserted into the reverse buckling type sealing groove of the inner plug when the outer cover is screwed ...

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Номер записи: 48
30-12-2015 дата публикации

High -performance steel bridge deck pavement structure

Номер: CN0204919328U
Автор: FU JIANCUN, SUN RISHUANG, HU JIABO, WEI JINCHENG, MA SHIJIE, WANG LEI, JIAO XUFEI
Принадлежит:

The utility model discloses a high -performance steel bridge deck pavement structure belongs to bridge deck pavement technical field. The structure of should mating formation is laid on the steel bridge panel including the layer of mating formation, the layer of mating formation, and its characteristics mat formation to be provided with waterproof bonding layer between layer and the steel bridge panel, and is fixed with a plurality of crosses flower billet shears and construct the power piece on the steel bridge panel. Compared with the prior art, the utility model discloses utilize that steel bridge face mat surface gives a new lease of life to, the effective combination on waterproof system and the layer of mating formation, obtaining one kind, facilitate production, easy compaction and water -proof effects is good, the roughness is excellent, the steel bridge deck pavement structure that reinforce, skid resistance and fatigue resistance are good that bonds between the layer, but wide ...

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Номер записи: 49
09-06-2023 дата публикации

Laying structure and laying method of single-component polyurethane noise-reducing pavement

Номер: CN116240768A
Автор: ZHAO HAISHENG, ZHANG WENSHENG, LI ZHONG, CUI SHIPING, MIAO BAOJI, GAO WENBIN, ZHANG HANZHI, MA SHIJIE, WEI JINCHENG, WANG LIN, WANG XIAOYAN, SU CHUNHUA, DI ENZHOU, LIANG HAO, LIU SHAN, ZHANG PEIYU
Принадлежит:

The invention belongs to the technical field of road engineering, and particularly discloses a paving structure and a paving method of a single-component polyurethane noise-reducing pavement. The structure is characterized in that a composite pavement structure is adopted, the surface layer of the composite pavement structure is a polyurethane mixture anti-skid wearing layer, the lower layer of the composite pavement structure is a polyurethane mixture OGFC noise reduction drainage layer, the lower layer of the composite pavement structure is a large-particle-size asphalt macadam mixture drainage anti-crack layer, and the lowest layer of the composite pavement structure is an SBS modified asphalt mixture anti-fatigue layer. Compared with the prior art, the laying structure of the composite noise reduction pavement is developed for solving the problems that a traditional noise reduction pavement is poor in durability, the noise reduction effect is difficult to continue and the like, the ...

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Номер записи: 50
18-07-2023 дата публикации

Steel bridge deck asphalt pavement structure and construction method thereof

Номер: CN116446277A
Автор: LI DONGXU, SUN QIANG, SUN CAN, LI XIA, HUANG MINGMING, WEI JINCHENG, ZHANG JIN, HU HUIMIN, PENG JIAN, JIANG ZHAOWEI, XU LU, HAN WENYANG, ZHU YONGRUN, SHAO YAHUI, LI ZENGGUANG, ZHANG ZHENGCHAO
Принадлежит:

The invention provides a steel bridge deck asphalt pavement structure and a construction method thereof, and belongs to the technical field of road engineering, the pavement structure sequentially comprises a self-flowing type bonding heat insulation layer, an assembly type bearing layer and a multifunctional wearing layer from the steel bridge deck to the top; an interface binder is brushed between the bottom face of the self-flowing type bonding heat insulation layer and the steel bridge deck, and an aerogel nanometer heat insulation layer is laid on the top face of the self-flowing type bonding heat insulation layer, or a heat insulation ceramic broken particle layer is spread and laid on the top face of the self-flowing type bonding heat insulation layer; and an assembly type bearing layer and a multifunctional wearing layer are laid on the aerogel nanometer heat insulation layer or the heat insulation ceramic broken particle layer. And the assembly type bearing layer is paved by adopting ...

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Номер записи: 51