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

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Применить Всего найдено 11. Отображено 11.
22-11-2016 дата публикации

프리캐스트 아치형 터널 구조체 및 그 시공 방법

Номер: KR0101675908B1
Автор: 박경룡, 최영구

... 본 발명은 프리캐스트 아치형 터널 구조체 및 그 시공 방법에 관한 것으로, 서로 이격되게 배치되고 볼록한 곡면이 설치된 2열의 기초와; 프리캐스트 콘크리트로 아치 형태의 단면으로 미리 형성되고, 일단부와 타단부에 각각 오목한 곡면홈이 형성되어, 일단부의 곡면홈이 상기 기초 중 어느 하나의 볼록한 상기 곡면에 지지된 상태로 설치된 제1아치형 세그먼트와; 상기 제1아치형 세그먼트의 타단부의 곡면홈이 접촉 지지하는 곡면이 구비된 중앙 곡면 부재와; 프리캐스트 콘크리트로 아치 형태의 단면으로 미리 제작되고, 일단부와 타단부에 각각 오목한 곡면홈이 형성되어, 일단부의 곡면홈이 상기 기초 중 다른 하나의 볼록한 상기 곡면에 지지된 상태로 설치되고, 타단부의 곡면홈이 상기 중앙 곡면 부재에 접촉 지지된 상태로 설치되는 제2아치형 세그먼트를; 포함하여 구성되어, 아치형 세그먼트가 3점 힌지 아치 구조로 형성되어 보다 견고하게 외력에 저항함에 따라, 아치형 세그먼트에 작용하는 토압에 대해서도 국부적으로 응력이 집중되는 현상을 완전히 방지할 뿐만 아니라, 정정 구조물로서 해석이 간편해져 설계가 용이한 프리캐스트 아치형 터널 구조체 및 그 시공 방법을 제공한다.

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02-11-2017 дата публикации

METHOD OF MANUFACTURING CONCRETE CARPET COMPOSITE AND CONCRETE CARPET COMPOSITE MANUFACTURED THEREBY

Номер: KR1020170121564A
Принадлежит:

The present invention relates to a method of manufacturing a concrete carpet composite and a concrete carpet composite manufactured thereby, the method comprising: a powder preparation step of preparing a concrete mixture powder in advance; a concrete mixture powder supply step wherein a supply port (5) of a concrete mixture powder is provided on upper part of one side of a bottom layer (1) to supply the concrete mixture powder to the bottom layer (1) through the supply port so as to be uniformly distributed, such that a concrete mixture powder layer (2) is formed on an upper surface of the bottom later (1); a fiber layer coating step of coating a fiber layer (3) on the concrete mixture powder layer (2) while moving the bottom layer (1); and a connecting fiber yarn forming step wherein a plurality of needles at an upper side of the fiber layer (3), with respect to the bottom layer (1) in motion, the concrete mixture powder layer (2), and the fiber layer (3), pierce the fiber layer (3) to ...

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03-11-2016 дата публикации

METHOD FOR PREPARING CONCRETE CARPET COMPOSITE AND CONCRETE CARPET COMPOSITE PREPARED THEREBY

Номер: KR1020160127324A
Принадлежит:

The present invention relates to a method for preparing a concrete carpet composite and a concrete carpet composite prepared thereby. The method comprises: a powder preparing step of previously preparing a concrete mixture powder; a concrete mixture powder supplying step of installing a supply port (5) for a concrete mixture powder in an upper part of one side of the bottom layer (1), supplying the concrete mixture powder through the supply port such that the concrete mixture powder is uniformly distributed on the bottom layer (1), thereby forming a concrete mixture powder layer (2) on an upper surface of the bottom layer (1); a fiber layer coating step of coating a fiber layer (3) on the concrete mixture powder layer (2) while the bottom layer (1) is moved; and a connective fiber forming step of, with respect to the moving bottom layer (1), the concrete mixture powder layer (2), and the fiber layer (3), sticking a plurality of needles from the top of the fiber layer (3) and pulling out ...

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13-07-2015 дата публикации

STRUCTURE AND METHOD TO CONSTRUCT BICYCLE ROAD

Номер: KR1020150081045A
Принадлежит:

The present invention relates to a structure and a method to construct a bicycle road and, more specifically, a structure to construct a bicycle road, capable of allowing bicycles or pedestrians to go on the edge of a first road including a slope face. The structure includes a number of piles driven into the slope face in a longitudinal direction of the first road after the preparation of a support member extended in a transverse direction from a position, away from the upper part, to a high position of the slope face; a concrete block placed on the support member; a half-section floor plate placed on an upper part of the concrete block to be extended in a cantilever shape to the opposite side to the support member, and manufactured with armored concrete, having thinner thickness than the first thickness of a floor plate to be constructed; and an upper floor plate installed on the half-section floor plate with site concrete to make the total thickness of the upper floor plate and the half-section ...

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19-10-2016 дата публикации

ARCH-SHAPED STRUCTURE AND CONSTRUCTION METHOD THEREOF

Номер: KR1020160121356A
Принадлежит:

The present invention relates to an arch-shaped structure and a construction method thereof. The arch-shaped structure includes: bases in two rows separately arranged and having a convex curved surface; a first arch-shaped segment formed to have an arch-shaped cross sectional surface of precast concrete in advance and having a curved groove on one end supported by the convex curved surface of one among the bases and a curved groove on the other end; a central curved bar having a curved surface coming into contact with the curved groove of the other end of the first arch-shaped segment; and a second arch-shaped segment formed to have an arch-shaped cross sectional surface of precast concrete in advance, having a curved groove on one end supported by the convex curved surface of the rest base and a curved groove on the other end installed while coming into contact with the curved bar. The arch-shaped segments are formed into a three-point hinge arch structure, thereby strongly bearing an ...

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22-11-2016 дата публикации

자전거용 도로의 시공 구조 및 시공 방법

Номер: KR0101675910B1
Автор: 박경룡, 민대홍, 이성원

... 본 발명은 자전거용 도로의 시공 구조 및 방법에 관한 것으로, 보다 구체적으로는, 법면이 마련된 제1도로의 가장자리에 보행자나 자전거의 통행을 위한 자전거용 도로를 시공하는 시공 구조로서, 상단으로부터 이격된 위치에서 상기 법면의 높은 지점을 향하여 횡방향으로 연장 형성된 지지 부재가 마련되고, 상기 제1도로의 길이 방향을 따라 서로 간격을 두고 상기 법면에 박혀 설치되는 다수의 파일(pile)과; 상기 지지 부재 상에 거치되는 콘크리트 블록과; 상기 콘크리트 블록의 상측에 거치되어 상기 지지 부재의 반대측까지 외팔보 형태로 연장되고, 시공하고자 하는 바닥판의 제1두께보다 얇은 두께로 미리 철근 콘크리트로 제작된 반단면 바닥판과; 상기 반단면 바닥판과의 합계 두께가 상기 제1두께가 되도록 상기 반단면 바닥판 상에 현장 콘크리트로 타설되어 형성되는 상면 바닥판을; 포함하여 구성되어, 시공 중이나 시공이 완료된 상태에서 항상 구조적으로 안정된 상태를 유지하면서 자전거용 도로를 제1도로의 가장자리에 간편하고 빠른 기간 내에 시공할 수 있는 자전거용 도로의 시공 구조 및 방법을 제공한다.

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06-02-2017 дата публикации

CONSTRUCTION STRUCTURE OF PREFABRICATED BRIDGE FOR PEDESTRIAN BRIDGE AND CONSTRUCTION METHOD FOR BRIDGE PIER

Номер: KR101703110B1
Автор: PARK, KYEONG YONG
Принадлежит: DS GLOBAL ECM CO., LTD., PARK, KYEONG YONG

The present invention relates to a construction structure of a prefabricated bridge for a pedestrian bridge and a construction method for a bridge pier. The construction structure of the prefabricated bridge for a pedestrian bridge comprises: a base plate fixed to foundation concrete by an anchor bolt in which a part is embedded, wherein a guide base unit protruding to the upper side is integrally formed from the upper surface; and a column member fixed to the upper side of the base plate by a first coupling unit to enclose the guide base unit, wherein a coping member supporting a girder of a bridge is located on the upper side of the column member. The base plate and the column member can be assembled in a predetermined arrangement state, and resistance performance on bending moment is improved. A material can be carried to a site in a small and light state. Therefore, the construction structure of the prefabricated bridge for a pedestrian bridge can be carried and constructed without ...

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11-07-2017 дата публикации

내부식성이 향상된 구조 보강용 강연선 및 그 제조 방법

Номер: KR0101752686B1
Автор: 박경룡, 최영구

... 본 발명은 구조물의 하중을 지지하거나 보조하는 구조 보강용 강연선에 관한 것으로, 축선 방향을 따라 다수의 강선체가 서로 꼬인 상태로 다발을 형성하는 강선체 다발과, 상기 강선체 다발의 외주면에 드러난 상기 강선체들 중 인접한 강선체의 사이 공간에 상기 강선체와 함께 꼬인 형태로 배치되고, 상기 강선체에 비하여 작은 단면으로 형성된 접촉 선재와, 상기 강선체 다발과 상기 접촉 선재를 감싸는 피복층과, 상기 강선체 다발과 상기 피복층으로 둘러싸인 영역에 도포된 방청제를 포함하여 구성되어, 온도 변화에 따라 방청제의 점도가 변화하더라도 높은 영역에서 낮은 영역으로 방청제가 중력 방향으로 흘러내리는 것을 방지하여, 강선체 다발의 둘레에 방청제가 항상 균일하게 점착된 상태로 유지함에 따라 강연선의 부식을 막을 수 있는 구조 보강용 강연선을 제공한다.

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05-08-2016 дата публикации

METHOD OF CONSTRUCTING STRESS RIBBON BRIDGE INTRODUCING MULTI-STEP TENSILE FORCE TO GROUND ANCHOR AND BRIDGE CONSTRUCTED BY SAME

Номер: KR1020160092740A
Автор: PARK, KYEONG YONG
Принадлежит:

The present invention relates to a method of constructing a stress ribbon bridge. The method of constructing a stress ribbon bridge comprises: a step of temporarily installing concrete blocks on positions of both ends of a bridge separated from each other; a first tensioning step of fixing the concrete blocks on the ground using ground anchors, and firstly tensioning the ground anchors; a support cable installation step of installing two or more rows of support cables connecting the concrete blocks separated from each other; a segment mounting step of mounting a floor slab segment to support the floor slab segment on the support cables after the first tensioning step; and a second tensioning step of secondly tensioning the ground anchors after the floor slab segment mounting step. A soil pressure acting on soil is adjusted within an allowed range without constructing foundation concrete on a rear surface of an abutment installed on both ends of a stress ribbon bridge to minimize use of ...

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16-11-2016 дата публикации

SLAB WHICH CAN BE PARTIALLY PRESTRESSED AND CONSTRUCTION METHOD FOR RIBBON BRIDGE USING SAME

Номер: KR1020160131395A
Автор: PARK, KYEONG YONG
Принадлежит:

The present invention relates to a slab which is partially prestressed through a connection key and a construction method for a ribbon bridge using the same. A partial tension member, which passes through the center of the connection key enabling a precast slab to be arranged at a predetermined position and be assembled, is installed, and the partial tension member is prestressed. So, integrity on a joint part of the slabs adjacent to each other is improved. To achieve the purpose of the present invention, the slab installed to be mounted on a support cable connecting lower structures of a bridge and connected by prestressing the tension member includes: a slab body; a connection pin installed on one side of the slab body and having a through hole at the center; a connection pin accommodation unit installed on the other side of the slab body and having a pin insertion groove to which the connection pin can be inserted when the slab body is connected, wherein the connection pin accommodation ...

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19-05-2016 дата публикации

STEEL STRAND FOR REINFORCING STRUCTURE WITH IMPROVED CORROSION RESISTANCE AND MANUFACTURING METHOD FOR SAME

Номер: KR1020160056273A
Принадлежит:

The present invention relates to a steel strand for reinforcing a structure, which supports a load of a structure. The steel strand for reinforcing a structure comprises: a steel wire bunch forming a bunch while multiple steel wires are twisted with each other in an axial line direction; a contact wire member arranged to be twisted with the steel wire in a space between the adjacent steel wires among the steel wires exposed in the axial line direction, wherein the contact wire member has a cross section smaller than that of the steel wire; a coating layer enclosing the steel wire bunch and the contact wire member; and an anti-rust additive coated on an area enclosed by the steel wire bunch and the coating layer. The steel strand for reinforcing a structure can block the corrosion of the steel strand by preventing the anti-rust additive from flowing downwards in a gravity direction from a high area to a lower area even if viscosity of the anti-rust additive is changed in accordance with ...

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