KR20050065915A - Steel plate shear wall with precast concrete panel - Google Patents
Steel plate shear wall with precast concrete panel Download PDFInfo
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- KR20050065915A KR20050065915A KR1020030097083A KR20030097083A KR20050065915A KR 20050065915 A KR20050065915 A KR 20050065915A KR 1020030097083 A KR1020030097083 A KR 1020030097083A KR 20030097083 A KR20030097083 A KR 20030097083A KR 20050065915 A KR20050065915 A KR 20050065915A
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- shear wall
- concrete panel
- steel sheet
- steel
- precast concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/04—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres
- E04C2/044—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of concrete or other stone-like material; of asbestos cement; of cement and other mineral fibres of concrete
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/44—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose
- E04C2/46—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the purpose specially adapted for making walls
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
본 발명은 철골구조물에서 하중재하시 강판에 발생되는 국부좌굴을 방지하며 내화성능을 향상시키도록 그 양 면에 프리캐스트(precast) 콘크리트 패널이 결합되는 강판 전단벽에 관한 것이다. 이런 강판 전단벽(30)과 콘크리트 패널(40)에는 그 내면에 일정 간격으로 제1, 제2 체결공(31, 41)이 관통되게 각각 형성되어, 강판 전단벽(30)과 콘크리트 패널(40)은 제1, 제2 체결공(31, 41)을 통해 체결수단인 볼트(50)가 삽입 고정됨으로써, 일체로 결합되는 것을 특징으로 한다. 따라서, 본 발명은 상기와 같이 강판 전단벽(30)의 양 면에 프리캐스트 콘크리트 패널(40)이 결합됨으로써, 국부좌굴로 인한 강판 전단벽의 휨, 압축변형 등이 방지되며, 별도의 내화피복작업을 실시하지 않고도, 내화성이 향상되는 장점이 있다.The present invention relates to a steel plate shear wall to which precast concrete panels are coupled to both sides to prevent local buckling occurring in the steel plate under load in steel structures and to improve fire resistance. The steel sheet shearing wall 30 and the concrete panel 40 are formed to penetrate the first and second fastening holes 31 and 41 at regular intervals on the inner surface thereof, so that the steel sheet shearing wall 30 and the concrete panel 40 are The bolt 50, which is a fastening means, is inserted and fixed through the first and second fastening holes 31 and 41 to be integrally coupled. Therefore, in the present invention, the precast concrete panel 40 is coupled to both surfaces of the steel sheet shear wall 30 as described above, thereby preventing bending, compressive deformation, etc. of the steel sheet shear wall due to local buckling, and There is an advantage that the fire resistance is improved without performing.
Description
본 발명은 철골구조물에 설치되는 강판 전단벽에 관한 것이며, 특히, 하중재하시 강판에 발생되는 국부좌굴을 방지하며 내화성능을 향상시키도록 강판의 양 면에 프리캐스트(precast) 콘크리트 패널이 결합되는 강판 전단벽에 관한 것이다.The present invention relates to a steel plate shear wall installed in a steel structure, in particular, a steel sheet in which precast concrete panels are coupled to both sides of the steel sheet to prevent local buckling generated in the steel sheet under load load and improve fire resistance performance. It relates to a shear wall.
도 1 및 도 2는 종래기술에 따른 강판이 설치된 전단벽 구조를 나타낸 정면도 및 분해 사시도이다. 1 and 2 are a front view and an exploded perspective view showing a shear wall structure provided with a steel sheet according to the prior art.
도 1 및 도 2에 도시된 바와 같이, 철골구조물은 구조물의 수직하중을 지지하는 기둥(10)과 이런 기둥(10) 사이를 연결하는 보(20)로 구성되고, 횡력에 의한 변형을 감소시키기 위해 기둥(10)과 보(20) 사이에 전단벽(30)이 설치된다. As shown in Figures 1 and 2, the steel structure consists of a column 10 for supporting the vertical load of the structure and a beam 20 connecting between these pillars 10, reducing the deformation caused by the lateral force The shear wall 30 is installed between the pillar 10 and the beam 20 for the purpose.
철골구조물의 강판 전단벽(30)은 건식공법으로 철골구조물의 기둥(10)과 보(20)에 용이하게 접합 연결되어, 철골구조물의 내진성능을 향상시키는 역할을 한다. 이로 인해, 미국, 일본 등의 신축구조물 또는 기존구조물의 보강작업에는 강판 전단벽(30)의 사용이 점차 확대되고 있는 추세이다.Steel plate shear wall 30 of the steel structure is easily joined to the column 10 and the beam 20 of the steel structure by the dry method, serves to improve the seismic performance of the steel structure. For this reason, the use of the steel sheet shear wall 30 in the reinforcement work of new or existing structures, such as the United States, Japan is gradually increasing.
하지만, 이러한 강판 전단벽(30)도 국부좌굴이 발생되는 경우에 구조적으로 횡력에 대한 내진성능이 저하되며, 강철 재질로 인해 내화성능이 약한 단점이 있다. 그래서, 종래기술의 강판 전단벽(30)에는 내화성능 향상을 위해 내화피복작업이 실시되지만, 이렇게 추가적인 내화피복작업은 시공성을 저하시키는 요인으로 작용하며, 국부변형에는 효과적으로 대처할 수 없다. However, the steel sheet shear wall 30 also has a structurally low seismic resistance to the lateral force when the local buckling occurs, there is a weak fire resistance performance due to the steel material. Thus, although the fireproof coating work is performed to improve the fire resistance of the steel sheet shear wall 30 of the prior art, this additional fireproof coating work acts as a factor to lower the workability, it can not effectively cope with local deformation.
본 발명은 앞서 설명한 바와 같은 종래 기술의 문제점을 해결하기 위하여 제공된 것으로서, 강판 전단벽의 양 면에 프리캐스트 콘크리트 패널이 부착되고, 강판 전단벽과 콘크리트 패널이 볼트결합에 의해 일체로 결합됨으로써, 강판의 국부좌굴을 방지하면서도 그 내화성능을 향상시키는 프리캐스트 콘크리트 패널이 결합된 강판 전단벽을 제공하는 데 그 목적이 있다. The present invention is provided to solve the problems of the prior art as described above, the precast concrete panel is attached to both sides of the steel sheet shear wall, the steel sheet shear wall and the concrete panel is integrally joined by bolted joint, the localization of the steel sheet The object is to provide a steel sheet shear wall incorporating a precast concrete panel that prevents buckling and improves its fire resistance.
앞서 설명한 바와 같은 목적을 달성하기 위한 본 발명에 따른 프리캐스트 콘크리트가 결합된 강판 전단벽은 철골구조물에서 기둥과 보 사이에 설치되며, 그 양 면에 프리캐스트 공법으로 제작된 콘크리트 패널이 각각 부착된다. 이런 상기 강판 전단벽과 상기 콘크리트 패널에는 그 내면에 일정 간격으로 제1, 제2 체결공이 관통되게 각각 형성되어, 상기 강판 전단벽과 상기 콘크리트 패널은 상기 제1, 제2 체결공을 통해 체결수단이 삽입 고정됨으로써, 일체로 결합되는 것을 특징으로 한다. Precast concrete coupled steel sheet shear wall according to the present invention for achieving the object as described above is installed between the pillar and the beam in the steel structure, the concrete panels produced by the precast method is attached to both sides. The first and second fastening holes are formed in the steel sheet shearing wall and the concrete panel so as to pass through the first and second fastening holes at predetermined intervals, respectively, and the steel sheet shearing wall and the concrete panel are fastening means inserted through the first and second fastening holes. By being fixed, it is characterized in that they are integrally coupled.
아래에서는 본 발명에 따른 프리캐스트 콘크리트 패널이 결합된 강판 전단벽의 양호한 실시예를 첨부한 도면을 참조로 하여 상세히 설명하겠다.Hereinafter, with reference to the accompanying drawings, a preferred embodiment of a steel sheet shear wall coupled to the precast concrete panel according to the present invention will be described in detail.
도 3 및 도 4는 본 발명의 한 실시예에 따른 프리캐스트 콘크리트 패널이 결합된 강판 전단벽의 분해된 상태와 결합된 상태를 각각 나타낸 사시도이고, 도 5는 도 4에 도시된 강판 전단벽의 일부를 확대하여 나타낸 개략도이고, 도 6 및 도 7은 도 5에 도시된 프리캐스트 콘크리트 패널이 결합된 강판 전단벽의 일부를 길이방향으로 절단한 것으로서, 볼트결합이 되지 않은 상태와 볼트결합이 된 상태를 각각 나타낸 단면도이다.3 and 4 are perspective views respectively showing the disassembled state and the combined state of the steel sheet shear wall is coupled to the precast concrete panel according to an embodiment of the present invention, Figure 5 is a part of the steel sheet shear wall shown in FIG. 6 and 7 are enlarged schematic views, and a part of a steel plate shear wall to which the precast concrete panel shown in FIG. 5 is bonded is cut in the longitudinal direction, and the state in which the bolt is not coupled and the state in which the bolt is coupled are respectively shown. It is sectional drawing shown.
도 3 내지 도 7에 도시된 바와 같이, 본 발명에 따른 프리캐스트 콘크리트 패널이 결합된 강판 전단벽은 기둥(10)과 보(20) 사이에 부착 연결되는데, 이런 강판 전단벽(30)의 양 면에 프리캐스트 콘크리트 패널(40)이 체결용 볼트(50)에 의해 일체로 결합된다. 이 때, 강판 전단벽(30)과 콘크리트 패널(40)에는 상기 볼트(50)가 관통하는 제1, 제2 체결공(31, 41)이 형성된다. 이와 같은 구성으로 인해, 본 발명에 따른 프리캐스트 콘크리트 패널이 결합된 강판 전단벽은 강판의 양 면에 콘크리트 패널(40)이 밀착되게 결합됨으로써, 강판에 발생될 수 있는 국부좌굴이 억제되며, 구조물의 내화성능도 향상된다. 이 때, 본 발명의 콘크리트 패널(40)은 사전에 일정 크기 형상으로 제작되기 때문에, 종래에 비해 시공성의 큰 저하없이도 건식공법으로 강판 전단벽(30)에 용이하게 설치된다.As shown in Figure 3 to Figure 7, the precast concrete panel according to the present invention is coupled to the steel sheet shear wall is attached between the pillar 10 and the beam 20, the two sides of the steel sheet shear wall 30 The precast concrete panel 40 is integrally coupled by the fastening bolt 50. At this time, first and second fastening holes 31 and 41 through which the bolt 50 penetrates are formed in the steel plate front wall 30 and the concrete panel 40. Due to this configuration, the steel plate shear wall is coupled to the precast concrete panel according to the present invention is coupled to the concrete panel 40 in close contact with both sides of the steel sheet, thereby suppressing local buckling that may occur in the steel sheet, Fire resistance is also improved. At this time, since the concrete panel 40 of the present invention is manufactured in a predetermined size shape in advance, it is easily installed in the steel sheet shearing wall 30 by the dry method without significant deterioration in workability as compared with the prior art.
본 발명의 강판 전단벽(30)은 구조물의 기둥(10)과 보(20)의 사이에서 횡력에 대한 내진성능을 향상시키기 위해 설치된다. 이런 강판 전단벽(30)은 그 내측부위에 볼트(50)가 삽입 체결되는 제1 체결공(31)이 일정 간격으로 형성된다.The steel sheet shear wall 30 of the present invention is installed to improve the seismic performance against the lateral force between the pillar 10 and the beam 20 of the structure. The steel sheet shearing wall 30 has a first fastening hole 31 in which a bolt 50 is inserted and fastened to an inner portion thereof at regular intervals.
강판 전단벽(30)에 결합되는 콘크리트 패널(40)은 사전에 제작되는 프리캐스트 패널로서, 콘크리트의 내부에 자체 강도향상과 인장력에 대한 저항능력을 향상시키기 위해 와이어 메시 또는 보강철근이 삽입된다. 그리고, 콘크리트 패널(40)은 강판의 국부좌굴 방지와 내화성능의 향상을 위해서 약 50mm 두께로 제작되며, 인력 또는 소형운반장비로 운반이 가능하며 시공도 용이한 일정 크기로 제작된다. 그리고, 콘크리트 패널(40)에는 그 내측면에 강판 전단벽(30)의 제1 체결공(31)과 동일한 간격으로 볼트(50)가 삽입되는 제2 체결공(41)과, 그 외면으로 볼트(50)의 헤드부 또는 너트(51)가 돌출되지 않도록 볼트(50)의 헤드부 또는 너트(51)가 위치하는 제3 체결공(43)이 동일선상에 각각 형성된다. 또한, 본 발명의 콘크리트 패널(40)에는 볼트(50)의 체결력으로 인해 균열이 발생되는 것을 방지하기 위해 제3 체결공(43)의 내측부위에 와셔 플레이트(42)가 내설된다.The concrete panel 40 coupled to the steel sheet shear wall 30 is a precast panel manufactured in advance, and a wire mesh or rebar is inserted into the concrete to improve its strength and resistance to tensile force. In addition, the concrete panel 40 is manufactured to a thickness of about 50mm to prevent local buckling of the steel sheet and to improve the fire resistance, and can be transported by a manpower or a small transport equipment and manufactured to a certain size that is easy to construct. In addition, the concrete panel 40 has a second fastening hole 41 into which the bolt 50 is inserted at the same interval as the first fastening hole 31 of the steel sheet shearing wall 30 on the inner side thereof, and the bolt ( The third fastening holes 43 in which the head part or the nut 51 of the bolt 50 is located are formed on the same line so that the head part or the nut 51 of the bolt 50 does not protrude. In addition, in the concrete panel 40 of the present invention, the washer plate 42 is embedded in the inner portion of the third fastening hole 43 to prevent cracking due to the fastening force of the bolt 50.
아래에서는 상기와 같이 구성되는 본 발명의 프리캐스트 콘크리트 패널이 결합된 강판 전단벽의 설치순서에 대해 설명하겠다.Below will be described the installation procedure of the steel plate shear wall coupled to the precast concrete panel of the present invention configured as described above.
먼저, 강판 전단벽(30)을 양중이 가능한 크기로 절단 분할하고, 철골 구조물의 바닥 슬래브가 시공된 후에 기둥(10)과 보(20) 사이에 강판 전단벽(30)을 용접결합 또는 볼트결합시킨다. First, the steel sheet shearing wall 30 is cut and divided into a size capable of lifting, and after the bottom slab of the steel structure is constructed, the steel sheet shearing wall 30 is welded or bolted between the column 10 and the beam 20.
그리고, 프리캐스트 공법으로 제작된 콘크리트 패널(40)을 일정 크기로 분할하여, 강판 전단벽(30)의 양 면에 각각 부착한다. 이 때, 콘크리트 패널(40)에는 경화단계 이전상태에서 콘크리트의 내부에 와이어 메시 또는 보강철근을 매설하고, 볼트(50)가 체결될 제2 체결공(41)과 제3 체결공(43)의 사이에 와셔 플레이트(42)도 매설한다.Then, the concrete panel 40 produced by the precast method is divided into predetermined sizes and attached to both surfaces of the steel sheet front wall 30, respectively. At this time, the concrete panel 40 is embedded with a wire mesh or reinforcing bar in the interior of the concrete in the state before the curing step, the bolt 50 is fastened to the second fastening hole 41 and the third fastening hole 43 The washer plate 42 is also embedded in between.
그런 다음에는 강판 전단벽(30)의 제1 체결공(31)과 콘크리트 패널(40)의 제2 체결공(41)이 일직선상에 위치하게 조정한 후에, 제1, 제2 체결공(31, 41)을 통해 체결용 볼트(50)를 삽입한다. 이 때, 볼트(50)는 프리스트레스(prestress) 인장력이 가해진 상태에서 너트(51)에 의해 조여짐으로써, 강판 전단벽(30)과 콘크리트 패널(40)을 보다 견고하게 결합시킨다.Then, after adjusting the first fastening hole 31 of the steel plate shear wall 30 and the second fastening hole 41 of the concrete panel 40 in a straight line, the first and second fastening holes 31, Insert the fastening bolt 50 through 41). At this time, the bolt 50 is tightened by the nut 51 in a state where a prestress tensile force is applied, thereby more firmly coupling the steel sheet shear wall 30 and the concrete panel 40.
그리고, 본 발명의 마무리 설치작업으로 패널과 패널사이 또는 패널과 철골조 사이에는 내화재를 충진시키고, 그 표면을 마감처리한다. Then, in the finishing installation of the present invention between the panel and the panel or between the panel and the steel frame is filled with a refractory material, the surface is finished.
앞서 상세히 설명한 바와 같이, 본 발명은 강판 전단벽의 양 면에 프리캐스트 콘크리트 패널이 결합됨으로써, 국부좌굴로 인한 강판 전단벽의 휨, 압축변형 등이 방지되는 장점이 있다. As described in detail above, the present invention has the advantage that the precast concrete panel is coupled to both sides of the steel sheet shear wall, the bending, compression deformation, etc. of the steel sheet shear wall due to local buckling.
또한, 본 발명은 별도의 내화피복작업을 실시하지 않아도, 건식공법으로 용이하게 콘크리트 패널이 설치됨으로써, 내화성이 향상되는 장점이 있다. In addition, the present invention has the advantage that the fire resistance is improved by being easily installed in the concrete panel by a dry method, even without performing a separate fireproof coating work.
이상에서 본 발명에 따른 프리캐스트 콘크리트 패널이 결합된 강판 전단벽에 대한 기술사상을 첨부도면과 함께 서술하였지만, 이는 본 발명의 가장 양호한 실시예를 예시적으로 설명한 것이지 본 발명을 한정하는 것은 아니다. 또한, 이 기술분야의 통상의 지식을 가진 자이면 누구나 본 발명의 기술사상의 범주를 이탈하지 않는 범위 내에서 다양한 변형 및 모방이 가능함은 명백한 사실이다. In the above description, the technical concept of the steel sheet shear wall to which the precast concrete panel according to the present invention is coupled is described together with the accompanying drawings, but this is by way of example and not by way of limitation. In addition, it is obvious that any person skilled in the art can make various modifications and imitations without departing from the scope of the technical idea of the present invention.
도 1 및 도 2는 종래기술에 따른 강판이 설치된 전단벽 구조를 나타낸 정면도 및 분해 사시도이고,1 and 2 are a front view and an exploded perspective view showing a shear wall structure in which the steel sheet according to the prior art is installed,
도 3 및 도 4는 본 발명의 한 실시예에 따른 프리캐스트 콘크리트 패널이 결합된 강판 전단벽의 분해 사시도 및 결합 사시도이고,3 and 4 is an exploded perspective view and a combined perspective view of the steel plate shear wall is coupled to the precast concrete panel according to an embodiment of the present invention,
도 5는 도 4에 도시된 프리캐스트 콘크리트 패널이 결합된 강판 전단벽의 일부를 확대하여 나타낸 개략도이고,5 is an enlarged schematic view of a part of a steel plate shear wall to which the precast concrete panel illustrated in FIG. 4 is coupled;
도 6 및 도 7은 도 5에 도시된 프리캐스트 콘크리트 패널이 결합된 강판 전단벽의 일부를 길이방향으로 절단한 것으로서, 볼트결합이 되지 않은 상태와 볼트결합이 된 상태를 각각 나타낸 단면도이다.6 and 7 are cross-sectional views showing a state in which a part of the steel plate shear wall to which the precast concrete panel shown in FIG. 5 is bonded is cut in the longitudinal direction, and the state in which the bolts are not joined and the state in which the bolts are joined.
♠ 도면의 주요부분에 대한 부호의 설명 ♠ ♠ Explanation of symbols on the main parts of the drawing ♠
10 : 기둥 20 : 보 10: pillar 20: beam
30 : 전단벽 40 : 콘크리트 패널 30: shear wall 40: concrete panel
50 : 볼트 50: bolt
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| KR1020030097083A KR20050065915A (en) | 2003-12-26 | 2003-12-26 | Steel plate shear wall with precast concrete panel |
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| CN101967862B (en) * | 2009-07-28 | 2012-02-29 | 宝山钢铁股份有限公司 | Bolted steel plate shear wall with slits in the middle and its manufacturing method |
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