KR20010091697A - PC wall member connection method with loop bar - Google Patents

PC wall member connection method with loop bar Download PDF

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Publication number
KR20010091697A
KR20010091697A KR1020000013660A KR20000013660A KR20010091697A KR 20010091697 A KR20010091697 A KR 20010091697A KR 1020000013660 A KR1020000013660 A KR 1020000013660A KR 20000013660 A KR20000013660 A KR 20000013660A KR 20010091697 A KR20010091697 A KR 20010091697A
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South Korea
Prior art keywords
wall
joint
walls
reinforcement
bars
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KR1020000013660A
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Korean (ko)
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류재천
김영길
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배종렬
삼성물산 주식회사
최명식
삼연 피씨이 주식회사
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Priority to KR1020000013660A priority Critical patent/KR20010091697A/en
Publication of KR20010091697A publication Critical patent/KR20010091697A/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E04B1/043—Connections specially adapted therefor
    • E04B1/046—Connections specially adapted therefor using reinforcement loops protruding from the elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/383—Connection of concrete parts using adhesive materials, e.g. mortar or glue

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

PURPOSE: A connecting method of a joint between PC(Precast Concrete) walls using a loop bar is provided to secure structural stability and to promote construction efficiency by heightening the strength of a joint by interposing reinforcements additionally when connecting two precast concrete walls. CONSTITUTION: A connecting method of a joint between PC walls using a loop bar comprises the steps of; forming concave shear reinforcing parts(1a) on a joint between walls(1) of a precast concrete wall; interposing vertical joint reinforcing bars(5,6) at the state of combining loop bars(3,4) of the walls to be overlapped mutually; inserting a clip-shaped reinforcement(7) to place over the loop bars around the vertical joint reinforcing bars or a U-shaped reinforcement between loop bars; and filling up with mortar.

Description

루프바를 이용한 피씨 벽체의 이음부위 연결방법 {PC wall member connection method with loop bar}PC wall member connection method with loop bar}

본 발명은 건축물의 접합부에 관한 것으로, 특히 루프바(loop bar)를 이용하여 PC(PRECAST CONCRETE) 벽체 상호간 이음 부위를 연결하여 일체화할 수 있도록 한 루프바를 이용한 PC 벽체의 이음부위 연결방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint of a building, and more particularly, to a method of connecting a joint part of a PC wall using a roof bar to connect a joint part between PC (PRECAST CONCRETE) walls using a loop bar. .

현대에는 인구의 증가에도 불구하고 주거용 가옥이나 사무용 건물이 한정되어 있으므로 인구의 과밀 지역인 도시 지역에는 주거 및 사무용 건물을 고층으로 건설하여 인구의 과밀에 따른 주거 및 사무용 공간의 부족 분을 해소하고 있음은 이미 잘 알려진 사실이다.In modern times, despite the increase in population, residential houses and office buildings are limited, so in urban areas, the overcrowded areas of the population, residential and office buildings are built on high floors, eliminating shortages of residential and office space due to overcrowding. Is a well known fact.

그래서, 근래에는 프리캐스트 콘크리트를 사용한 건축물의 시공이 활발하였지만, 기존의 프리캐스트 콘크리트 부재가 공장에서 생산되어 제반 품질이 우수함에도 불구하고 공법이 법적, 기술적 제약으로 인해 건축물의 초고층화에는 한계가 있었는데, 특히 설계나 시공 기술상의 미비함으로 인해 구조적 안정성을 충분히 확보하지 못하고 시공성이 우수하지 못하는 등 고객의 품질 요구를 일부 만족시켜 주지 못하였기 때문이다. 그래서, 최근 건설되는 고층 건축물들은 프리캐스트 콘크리트를 사용하지 않고 현장 타설 콘크리트만을 사용하여 시공하기도 한다.Therefore, in recent years, construction of buildings using precast concrete has been active, but even though the existing precast concrete members are produced in the factory and have excellent quality, the construction method was limited due to legal and technical limitations. In particular, due to the lack of design or construction technology, it failed to fully satisfy the customer's quality requirements such as insufficient structural stability and excellent construction. Therefore, recently constructed high-rise buildings do not use precast concrete, but only by using cast-in-place concrete.

즉, 건설 현장에서 기초공사를 한 상태에서 그 위에 바닥과 벽체를 모두 현장에서 타설하는 콘크리트를 이용하여 시공하는데 이는 현장에서 모두 콘크리트를 타설하기 위하여 거푸집을 설치해야 하고 거푸집을 타설한 콘크리트가 양생을 거쳐 완전히 굳게 되면 그 위에 다른 구조물의 콘크리트를 타설할 수 있으므로 신속하게 다음 공정을 진행하지 못하였으며, 또한 거푸집을 일일이 설치하였다가 제거해야 하는 번거로움이 있게 되고, 이에 따라 공사기간이 길어지게 되는 단점이 있음은 물론 현장 타설 콘크리트를 시공할 때 사용하였던 건설 폐기물이 발생하여 환경을오염시키는 원인이 되고, 현장 타설을 위해 거푸집을 설치하고 해제시키는 비효율적인 작업성과 함께 작업시 소음과 분진이 발생하여 건설 현장의 주변 공기를 오염시키게 되는 등의 현장 타설 콘크리트의 기존 문제점들이 전혀 해결되지 못하였다.In other words, in the state where the basic construction is done at the construction site, the floor and the walls are placed on the site using concrete, which must be installed in order to install the concrete, and the concrete cast the formwork is cured. If it is completely hardened, the concrete of other structures can be poured on it, so the next process could not be proceeded quickly, and the formwork has to be installed and removed, and the construction period becomes longer. Of course, the construction waste used when constructing on-site concrete is generated and causes environmental pollution.In addition, inefficient workability of installing and releasing formwork for on-site casting results in noise and dust during construction. To contaminate the surrounding air The existing problems of the cast-in-place concrete that did not work, at all.

이렇게 구조적 안정성과 시공성이 만족할 만 하지 못했던 것은 피씨 벽체의 이음부위 연결이 가장 큰 문제였는데 이는 조인트부가 협소하여 철근 배근 및 모르타르 주입시공이 용이하지 않을 뿐만 아니라 시공상태의 확인이 곤란하였으며, 따라서, 조인트부가 정밀 시공되어야만 하였다. 즉, 조인트부에서 발생할 수도 있는 오차를 흡수하지 못하므로 시공이 용이하지 않다는 문제점이 있다.This structural stability and construction was not satisfactory was the biggest problem was the connection of the joint wall of the PC wall, which is not easy to install the reinforcement and mortar injection due to the narrow joint portion, it was difficult to confirm the construction status, therefore, the joint An additional precision construction had to be done. That is, there is a problem that the construction is not easy because it does not absorb the error that may occur in the joint portion.

또한, 프리캐스트 콘크리트로 형성한 부재의 모서리부가 복잡하게 형성되어 생산시에도 모서리부의 형상에 많은 주의를 요할 뿐만 아니라 수송 및 시공을 위한 조립작업 시에도 파손의 위험이 크다는 문제점이 있다.In addition, since the corner portion of the member formed of precast concrete is complicated, there is a problem that not only requires much attention to the shape of the corner portion during production, but also has a high risk of damage even during assembly work for transportation and construction.

따라서, 부재를 다른 부재들과 직접 연결하는 시공이 용이하지 않게 되어, 시공성이 낮게되고, 따라서 구조적 안정성 등을 신뢰하기 어려워지는 문제점이 있다.Therefore, there is a problem in that the construction in which the member is directly connected with other members is not easy, and the construction property is low, and therefore, it is difficult to trust structural stability and the like.

본 발명은 이와 같은 종래의 결점을 해결하기 위한 것으로, 본 발명의 목적은, 두 프리캐스트 콘크리트 벽체를 연결할 때 보강재를 더 삽입하여 연결부위의 강도를 향상시킬 수 있어서 구조적 안정성을 확보하고 시공성도 향상되도록 하는 루프바를 이용한 피씨 벽체의 이음부위 연결방법을 제공하는데 있다.The present invention is to solve such a conventional drawback, the object of the present invention is to insert a reinforcement when connecting the two precast concrete walls can improve the strength of the connection site to secure structural stability and improve construction It is to provide a method of connecting the joint portion of the PC wall using a loop bar.

도 1은 본 발명의 클립형 보강재를 사용한 상태의 연결 방법을 나타낸 평면도1 is a plan view showing a connection method of a state using a clip-shaped reinforcement of the present invention

도 2는 본 발명의 클립형 보강재를 사용한 상태의 연결 방법을 나타낸 사시도Figure 2 is a perspective view showing a connection method in a state using a clip-shaped reinforcement of the present invention

도 3은 본 발명의형 보강재를 사용한 상태의 연결방법을 나타낸 평면도3 shows the present invention Top view showing connection method using form reinforcement

도 4는 본 발명의형 보강재를 사용한 상태의 연결방법을 나타낸 사시도4 is the present invention Perspective view showing the connection method using the shape reinforcement

〈도면의 주요부분에 대한 부호 설명〉<Explanation of symbols on main parts of the drawing>

1:일측 벽체 2:타측 벽체1: one side wall 2: the other side wall

3,4:루프바 5,6:수직 조인트 보강 철근3, 4: Loop bar 5, 6: Vertical joint rebar

7:클립형 보강재 8:모르타르7: Clip type reinforcement 8: Mortar

9:형 보강재9: Mold reinforcement

이와 같은 목적을 달성하기 위한 본 발명은 두 프리캐스트 콘크리트 벽체를 연결할 때 일측 벽체의 루프바와 타측 벽체의 루프바를 서로 겹치도록 결합한 상태에서 수직 조인트 보강 철근을 삽입하고, 클립형 보강재 또는형 보강재를 더 추가한 후 결합용 모르타르를 충전시킴으로써 구조적 일체성 및 방수성능의 향상은 물론 시공성을 향상시키도록 함을 특징으로 한다.In order to achieve the above object, the present invention inserts a vertical joint reinforcing bar in a state in which a roof bar of one wall and a roof bar of another wall are overlapped with each other when connecting two precast concrete walls, and a clip type reinforcement or After further adding the shape reinforcing material to charge the bonding mortar is characterized in that the structural integrity and waterproof performance as well as to improve the workability.

이하, 본 발명의 실시예를 첨부된 도면을 참고로 하여 상술하면 다음과 같다.Hereinafter, with reference to the accompanying drawings an embodiment of the present invention will be described.

도 1과 도 2는 본 발명의 제1실시예를 나타낸 것으로, 시공된 벽체의 단면도를 통해 일측 벽체(1)와 타측 벽체(2)가 연결 시공된 상태를 도시한 것이다.1 and 2 show a first embodiment of the present invention, which shows a state in which one side wall 1 and the other side wall 2 are connected and constructed through a cross-sectional view of the constructed wall.

이에 도시된 바와 같이, 상기 일측 벽체(1)와 타측 벽체(2)의 접합부에는 내측으로 오목한 전단 보강부(1a)(2a)를 각각 형성하고, 일측 벽체(1)의 루프바(3)와 타측 벽체(2)의 루프바(4)가 서로 겹쳐지도록 결합한 상태에서 수직 조인트 보강 철근(5)(6)을 삽입한 후 그 위에 다시 클립형 보강재(7)를 끼우고 결합용 모르타르(8)를 충전시키도록 한 것이다.As shown in the figure, shear reinforcement portions 1a and 2a which are concave inward are respectively formed at the junction of the one wall 1 and the other wall 2, and the roof bar 3 of the one wall 1 and Insert the vertical joint reinforcing bars (5) and (6) in the state where the roof bars (4) of the other side wall (2) are overlapped with each other and then insert the clip type reinforcement (7) thereon and attach the joining mortar (8). It is to be charged.

이와 같은 실시예에 있어서는, 두 프리캐스트 벽체(1)(2)를 연결할 때 단열과 방수 성능의 향상은 물론 구조적 일체성이 향상되고 시공성 또한 향상되도록 한 것으로, 일측벽체(1)와 타측벽체(2)의 루프바(3)(4)를 서로 엇갈리면서 겹치도록 결합한 상태에서 수직 조인트 보강 철근(5)(6)을 상기 루프바(3)(4)사이에 삽입하여 단단하게 결합된 상태에서 다시 클립형 보강재(7)를 상기 수직 조인트 보강 철근(5)(6)주위에 끼워 넣은 후 모르타르(8)를 충전시켜 안정되고 견고한 결합이 이루어지도록 한다.In such an embodiment, when the two precast walls (1) and (2) are connected, the structural integrity and the workability are improved as well as the heat insulation and the waterproof performance, and the one side wall (1) and the other side wall ( In the state in which the loop bars (3) and (4) of 2) are alternately overlapped with each other, the vertical joint reinforcing bars (5) and (6) are inserted between the roof bars (3) and (4) in a tightly coupled state. The clip-shaped reinforcement (7) is inserted around the vertical joint reinforcing bars (5) and (6) and then filled with a mortar (8) to achieve a stable and firm coupling.

이때, 상기 일측 벽체(1)와 타측 벽체(2)에 형성되어 있는 전단 보강재 (1a)(2a)에 결합용 모르타르(8)가 충전되어 전단 변형을 방지할 수 있게 된다.At this time, the bonding mortar (8) is filled in the shear reinforcement (1a) (2a) formed in the one side wall (1) and the other side wall (2) it is possible to prevent the shear deformation.

따라서, 상기 제1실시예에 따르면, 프리캐스트 콘크리트 부재의 모서리부가 단순화되어 프리캐스트 부재 공장에서 생산작업시에 생산효율이 높아지며, 수송 및 조립시에도 파손의 위험이 감소하게 되고, 시공시에는 조인트 부위가 넓어져서 철근 배근을 정확하게 시공할 수 있게되어 설계에 의한 구조내력을 충분히 확보할 수 있게 되며, 모르타르의 주입이 용이해져서 밀실하게 충전될 뿐만아니라 충전상태의 확인도 용이해지고, 구조 보강이 필요할 경우 조인트부의에 추가적인 배근 작업이 용이해진다.Therefore, according to the first embodiment, the edge portion of the precast concrete member is simplified to increase the production efficiency during the production work in the precast member factory, the risk of breakage during transportation and assembly is reduced, and the joint during construction The wider part makes it possible to accurately construct reinforcement, so that the structural strength by design can be secured sufficiently, and the mortar can be easily injected, making it filled tightly, making it easy to check the state of charge, and it is necessary to reinforce the structure. In this case, additional reinforcement work on the joint is facilitated.

따라서, 부재의 루프바와 루프바를 연결할 때 연결철근들을 이용함으로 시공시의 부재 오차조절이 가능해져서 구조적 일체성의 향상으로 구조적 안정성이 향상됨은 물론 시공성을 향상시킬 수 있다.Therefore, when connecting the roof bar and the roof bar of the member by using the connecting bars it is possible to control the error in the construction of the construction can be improved structural integrity and improved construction as well as structural integrity.

도 3과 도 4는 본 발명의 제2실시예를 나타낸 것으로, 시공된 벽체의 단면도를 통해 일측 벽체(1)와 타측 벽체(2)가 연결 시공된 상태를 도시한 것이며, 상기 일측 벽체(1)와 타측 벽체(2)의 접합부에는 내측으로 오목한 전단 보강부(1a)(2a)를 각각 형성하고, 일측 벽체(1)의 루프바(3)와 타측 벽체(2)의 루프바(4)가 서로 겹쳐지도록 결합한 상태에서 수직 조인트 보강 철근(5)(6)을 삽입한 후 상기 수직 조인트 보강철근(5)(6)에 걸치도록 위에서형 보강재(9)를 끼우고 결합용 모르타르(8)를 충전시키도록 한 것이다.3 and 4 illustrate a second embodiment of the present invention, which illustrates a state in which one side wall 1 and the other side wall 2 are connected through a cross-sectional view of the constructed wall, and the one side wall 1 ) And the inner side of the reinforcing shear reinforcement portions 1a and 2a, respectively, at the junction between the other wall 2 and the roof bar 3 of the one wall 1 and the roof bar 4 of the other wall 2. Insert the vertical joint reinforcing bars (5) and (6) in the combined state so that they overlap each other, Insert the shape reinforcing material (9) is to fill the mortar for bonding (8).

이와 같은 실시예에 있어서는, 일측벽체(1)와 타측벽체(2)의 루프바(3)(4)를 서로 엇갈리면서 겹치도록 결합한 상태에서 수직 조인트 보강 철근(5)(6)을 상기 루프바(3)(4)사이에 삽입하여 단단하게 결합된 상태에서 다시형 보강재(9)를 상기 루프바(3)(4)사이에 끼워 넣은 후 모르타르(8)를 충전시켜 안정되고 견고한 결합이 이루어지도록 한다.In this embodiment, the vertical joint reinforcing bars (5) and (6) in the state in which the roof bars (3) and (4) of the one side wall (1) and the other side wall (2) are alternately overlapped with each other. (3) Insert it between (4) and put it back in tightly coupled state. After inserting the shape reinforcing material (9) between the roof bar (3) (4) to charge the mortar (8) to achieve a stable and solid coupling.

이때에도 상기 일측 벽체(1)와 타측 벽체(2)에 형성되어 있는 전단 보강재 (1a)(2a)에 결합용 모르타르(8)가 충전되어 전단 변형을 방지할 수 있게 된다.At this time, the bonding mortar 8 is filled in the shear reinforcement materials 1a and 2a formed in the one wall 1 and the other wall 2 to prevent shear deformation.

이상에서 설명한 바와 같은 본 발명은 갈고리 철근을 이용한 PC 벽체의 이음부위 연결방법에 관한 것으로, 프리캐스트 벽체를 서로 연결할 경우 갈고리 철근의 주위에 별도의 클립형 보강재를 추가하거나 또는형 보강재를 추가하여 프리캐스트 콘크리트 부재는 형상을 단순화시킬 수 있어서 생산효율이 높아지며, 수송 및 조립시에도 파손의 위험이 감소하게 되고, 시공시에는 조인트 부위가 넓어져서 철근 배근을 정확하게 시공할 수 있게되어 설계에 의한 구조내력을 충분히 확보할 수 있게 되며, 모르타르의 주입이 용이해져서 밀실하게 충전될 뿐만아니라 충전상태의 확인도 용이해지고, 구조 보강이 필요할 경우 조인트부의에 추가적인 배근 작업이 용이해진다.The present invention as described above relates to a method of connecting the joint portion of the PC wall using the hook rebar, when connecting the precast walls to each other add a separate clip-shaped reinforcement around the hook reinforcement or By adding the shape reinforcement, the precast concrete member can simplify the shape, increase the production efficiency, reduce the risk of breakage during transportation and assembly, and widen the joint area during construction to accurately install the reinforcement. As a result, the structural strength by design can be sufficiently secured, the mortar can be easily injected, and the filling of the mortar becomes easy, as well as the confirmation of the filling state, and additional reinforcement work on the joint part is required when the structural reinforcement is required.

따라서, 부재의 루프바와 루프바를 연결할 때 연결철근들을 이용함으로 시공시의 부재 오차조절이 가능해져서 구조적 일체성의 향상으로 구조적 안정성이 향상됨은 물론 시공성을 향상시킬 수 있는 효과가 있다.Accordingly, when connecting the roof bar and the roof bar of the member by using the connecting bars it is possible to adjust the member error during construction, thereby improving the structural stability as well as improve the structural integrity by improving the structural integrity.

Claims (1)

프리캐스트 콘크리트의 벽체를 연결하는 방법에 있어서,In the method of joining walls of precast concrete, 상기 프리캐스트 콘크리트 벽체의 일측 벽체와 타측 벽체의 접합부에 오목한 전단 보강부를 형성하는 제1단계와,A first step of forming a concave shear reinforcement at a junction between one wall and the other wall of the precast concrete wall; 상기 일측 벽체의 루프바와 타측 벽체의 루프바가 서로 겹쳐지도록 결합한 상태에서 수직 조인트 보강 철근을 삽입하는 제2단계와,A second step of inserting a vertical joint reinforcing bar in a state where the roof bar of the one wall and the roof bar of the other wall are coupled to overlap each other; 상기 수직 조인트 보강 철근 주위의 루프바에 걸치도록 클립형 보강재를 끼우거나 상기 루프바 사이에형 보강재를 끼우는 제3단계와,A clip-shaped reinforcement is sandwiched between the roof bars so as to extend over the roof bars around the vertical joint reinforcement bars. The third step of inserting the shape reinforcement, 상기 제3단계 수행 후 결합용 모르타르를 충전시키는 제4단계로 이루어진 것을 특징으로 하는 루프바를 이용한 피씨 벽체의 이음부위 연결방법.Method of connecting the joint wall of the PC wall using a roof bar, characterized in that the fourth step of filling the bonding mortar after performing the third step.
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CN102433945A (en) * 2011-08-30 2012-05-02 东南大学 Vertical mixed connection structure and method of prefabricated internal wallboards for assembling shear wall structure
CN103015559A (en) * 2012-12-19 2013-04-03 清华大学建筑设计研究院有限公司 Rigid-connection connector of sandwich shear wall structure
CN103031901A (en) * 2012-12-19 2013-04-10 清华大学建筑设计研究院有限公司 Connector with insulating type structure
KR101348379B1 (en) * 2012-06-15 2014-01-07 홍종국 The building wall structure and the constructing method thereof
CN106065669A (en) * 2014-09-29 2016-11-02 中铁四局集团有限公司 Bar connecting mode in precast shear wall connecting elements
JP2017082527A (en) * 2015-10-29 2017-05-18 大成ユーレック株式会社 Structure and method for joining precast concrete plate
KR101867300B1 (en) * 2017-08-30 2018-06-14 동서 피, 씨, 씨 주식회사 Joining structure of prefabricated shear wall
KR102182537B1 (en) 2020-03-09 2020-11-24 동서 피, 씨, 씨 주식회사 Connecting structure and connecting method of PC wall members using welded wire mesh
KR102219326B1 (en) * 2020-09-18 2021-02-23 김인성 Apparatus for reinforced bar overlay of precast wall and its construction method thereof
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KR102502190B1 (en) * 2022-07-27 2023-02-20 전금화 A modular retaining wall for precast concrete construction
KR20240061943A (en) 2022-11-01 2024-05-08 지에스건설 주식회사 Precast concrete panel for forming connection part using poly-urea with high ductility for replacing form, and connecting method for the same
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Publication number Priority date Publication date Assignee Title
CN102433945A (en) * 2011-08-30 2012-05-02 东南大学 Vertical mixed connection structure and method of prefabricated internal wallboards for assembling shear wall structure
KR101348379B1 (en) * 2012-06-15 2014-01-07 홍종국 The building wall structure and the constructing method thereof
CN103015559A (en) * 2012-12-19 2013-04-03 清华大学建筑设计研究院有限公司 Rigid-connection connector of sandwich shear wall structure
CN103031901A (en) * 2012-12-19 2013-04-10 清华大学建筑设计研究院有限公司 Connector with insulating type structure
CN103015559B (en) * 2012-12-19 2017-02-01 清华大学建筑设计研究院有限公司 Rigid-connection connector of sandwich shear wall structure
CN103031901B (en) * 2012-12-19 2017-02-01 清华大学建筑设计研究院有限公司 Connector with insulating type structure
CN106065669A (en) * 2014-09-29 2016-11-02 中铁四局集团有限公司 Bar connecting mode in precast shear wall connecting elements
JP2017082527A (en) * 2015-10-29 2017-05-18 大成ユーレック株式会社 Structure and method for joining precast concrete plate
KR101867300B1 (en) * 2017-08-30 2018-06-14 동서 피, 씨, 씨 주식회사 Joining structure of prefabricated shear wall
KR102182537B1 (en) 2020-03-09 2020-11-24 동서 피, 씨, 씨 주식회사 Connecting structure and connecting method of PC wall members using welded wire mesh
KR102219326B1 (en) * 2020-09-18 2021-02-23 김인성 Apparatus for reinforced bar overlay of precast wall and its construction method thereof
WO2022059977A1 (en) * 2020-09-18 2022-03-24 엔케이이앤씨 주식회사 Apparatus for consecutively connecting lapping steel bars of precast walls, and construction method therefor
KR20220135503A (en) * 2021-03-30 2022-10-07 아이에스동서 주식회사 Connection structure of pc wall
KR102502190B1 (en) * 2022-07-27 2023-02-20 전금화 A modular retaining wall for precast concrete construction
KR20240061943A (en) 2022-11-01 2024-05-08 지에스건설 주식회사 Precast concrete panel for forming connection part using poly-urea with high ductility for replacing form, and connecting method for the same
KR20240061983A (en) 2022-11-01 2024-05-08 지에스건설 주식회사 Concrete structure of intrusion protection facility for railway, and construction method for the same

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