WO2022025432A1 - Module préfabriqué pour paroi composite creuse et paroi composite creuse l'utilisant - Google Patents

Module préfabriqué pour paroi composite creuse et paroi composite creuse l'utilisant Download PDF

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Publication number
WO2022025432A1
WO2022025432A1 PCT/KR2021/007743 KR2021007743W WO2022025432A1 WO 2022025432 A1 WO2022025432 A1 WO 2022025432A1 KR 2021007743 W KR2021007743 W KR 2021007743W WO 2022025432 A1 WO2022025432 A1 WO 2022025432A1
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WO
WIPO (PCT)
Prior art keywords
panel
wall
hollow composite
composite wall
assembly module
Prior art date
Application number
PCT/KR2021/007743
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English (en)
Korean (ko)
Inventor
박홍근
김현진
Original Assignee
서울대학교 산학협력단
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Application filed by 서울대학교 산학협력단 filed Critical 서울대학교 산학협력단
Publication of WO2022025432A1 publication Critical patent/WO2022025432A1/fr

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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
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8623—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers and at least one form leaf being monolithic
    • E04B2/8629—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers and at least one form leaf being monolithic with both form leaves and spacers being monolithic
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8647—Walls made by casting, pouring, or tamping in situ made in permanent forms with ties going through the forms
    • 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

Definitions

  • the present invention combines vertical angles at both ends of PC panels constituting each PC wall unit in a pair of PC wall units spaced apart so that a hollow is formed therein, so that the weight is light and the joining between members is easy, and construction is easy. It relates to a pre-assembly module for a hollow composite wall with excellent structural performance and a hollow composite wall using the same.
  • a gravity resistance system to support vertical loads is important, but since the effects of lateral loads such as earthquake and wind loads are also large, a lateral force resistance system must be provided to support them.
  • a double shear wall system is mainly used, and among the wall methods for forming a shear wall, the RC method is used the most.
  • the RC method is a method of constructing structures by repeating a series of operations such as reinforcement, formwork installation, concrete pouring and curing, and formwork demolding.
  • the large-diameter reinforcing bars are densely placed in the wall because the compressive force, shear force, and bending force acting on the wall are large.
  • large-diameter reinforcing bars are difficult to transport and lift, take a long time for joint work, and have poor workability due to the difficulty of placing concrete in a closed room. Therefore, when it is necessary to improve the structural performance of the wall, it is necessary to increase the wall thickness.
  • the conventional RC method requires a formwork installation and demolding process, and the formwork process accounts for 50% of the frame work, which has the greatest influence on the increase in construction time and labor costs.
  • the development of the precast concrete method (hereinafter referred to as the PC method) is increasing.
  • the PC method is a method of constructing a building by transporting PC members pre-fabricated in a factory to the site and assembling them on site.
  • This PC method has excellent quality and uniformity because the members are produced in the factory.
  • field work such as formwork installation, demolding, and reinforcing reinforcement can be minimized, and concrete curing time is not required, thereby reducing labor costs and shortening construction period.
  • the PC member has a large member weight, so the transport cost burden is high, and large lifting equipment is required for field work.
  • the performance and durability of the structure are determined according to the performance of the joint between PC members. If the integrity of the joint is not secured, structural performance such as water leakage, reduced durability, and corrosion of reinforcing bars may be deteriorated.
  • PC Double Wall PC Double Wall
  • the PC double wall secures integrity with adjacent members by connecting two thin precast walls with a hardware to form a hollow between the walls, and pouring concrete into the hollow.
  • the steel concrete composite wall in which steel plates are synthesized inside or outside reinforced concrete, resists compressive force and at the same time prevents local buckling of the steel plate, and the steel plate is an effective structural system that resists bending moment, axial force, and shear force.
  • the composite wall of steel concrete requires a lot of shear connectors for the composite action of steel plate and concrete, and reinforcement of boundary elements such as concrete-filled steel pipe columns or pure steel frame columns is required at the wall boundary.
  • reinforcement of boundary elements such as concrete-filled steel pipe columns or pure steel frame columns is required at the wall boundary.
  • the entire wall is reinforced with a steel plate, there are many joint joints, so the welding load is large, and careful design of reinforcement is required for the joint and fixation of internal and external horizontal reinforcement.
  • a steel plate shear wall is a lateral force resistance system in which a steel plate wall is installed between a column and a beam, and has the advantage of being lightweight and having excellent shear strength based on excellent material performance.
  • the frame since a thin steel plate wall is used, it is vulnerable to compression resistance such as buckling. Therefore, in order to compensate for this, the frame must be composed of a composite system that can resist gravity load and dissipate energy when deformation occurs by using the steel sheet filled between the frames. As such, there is a limit to constructing a steel plate shear wall as an independent system, and since the steel plate is exposed to the outside, a separate fireproof construction is required. increase, and the workability decreases.
  • the present invention is to provide a pre-assembly module for a hollow composite wall, which is light in weight, easy to join between members, excellent in constructability, and excellent in structural performance, and a hollow composite wall using the same.
  • the present invention is a pre-assembly module for a hollow composite wall in which a hollow is formed therein by combining a pair of PC wall units to be spaced apart from each other, wherein the PC wall unit is provided at both ends of the PC panel and the PC panel, respectively. It provides a pre-assembly module for a hollow composite wall, characterized in that one leg is fixed to one side of the PC panel and the other leg is configured at a vertical angle coupled to the other PC wall unit.
  • the present invention according to another preferred embodiment provides a pre-assembly module for a hollow composite wall, characterized in that the wire mesh is provided inside the PC panel.
  • the present invention according to another preferred embodiment provides a pre-assembly module for a hollow composite wall, characterized in that the vertical angle is provided to surround the outside end of the PC panel.
  • the present invention according to another preferred embodiment provides a pre-assembly module for a hollow composite wall, characterized in that the stud bolts protruding into the hollow through the PC panel are coupled inside one leg of the vertical angle.
  • the present invention according to another preferred embodiment provides a pre-assembly module for a hollow composite wall, characterized in that the vertical angle one leg is fixed to the inner surface of the end of the PC panel.
  • the present invention according to another preferred embodiment provides a pre-assembly module for a hollow composite wall, characterized in that the stud bolts fixed in the PC panel are coupled to the outer surface of the vertical angle.
  • the present invention according to another preferred embodiment provides a pre-assembly module for a hollow composite wall, characterized in that the inner surface of the PC panel is provided with a transverse reinforcing member, each of which both ends are coupled to one leg of both sides of the vertical angle.
  • the present invention according to another preferred embodiment provides a pre-assembly module for a hollow composite wall, characterized in that the pocket portion is formed so as to expose the vertical angle on one side of the PC panel.
  • the present invention according to another preferred embodiment provides a pre-assembly module for a hollow composite wall, characterized in that it further comprises a tie bar that penetrates the facing PC panel to maintain the interval between the PC panel.
  • the present invention according to another preferred embodiment provides a pre-assembly module for a hollow composite wall, characterized in that the PC panel is vertically separated so that the upper PC panel and the lower PC panel are spaced apart from each other.
  • the present invention is a pre-assembly module for the hollow composite wall; and deep concrete formed by pouring concrete on-site between the PC panels of the pre-assembly module for the hollow composite wall; It provides a hollow composite wall, characterized in that consisting of.
  • a hollow is formed inside a pair of PC wall units spaced apart from each other, and vertical angles are coupled to both ends of PC panels constituting each PC wall unit.
  • a wall can be provided.
  • the vertical angle reinforces the PC panel and increases the rigidity of the PC wall unit, the thickness of the PC panel can be minimized. Therefore, it is possible to reduce the weight of the member by the hollow between the PC wall units and the vertical angle, thereby improving the workability and economic efficiency.
  • the vertical angle acting as the main pillar is integrated with the PC panel and the on-site concrete poured into the hollow to form the SRC composite wall, so the structural performance is excellent.
  • FIG. 1 is a perspective view showing an embodiment of a PC wall unit
  • Figure 2 is a perspective view showing a pre-assembly module for the present invention hollow composite wall by the PC wall unit of Figure 1.
  • Figure 3 is a cross-sectional view showing a line assembly module for the present invention hollow composite wall according to Figure 2;
  • Fig. 4 is a perspective view showing another embodiment of a PC wall unit
  • Figure 5 is a perspective view showing a pre-assembly module for the present invention hollow composite wall by the PC wall unit of Figure 4.
  • Figure 6 is a cross-sectional view showing a line assembly module for the present invention hollow composite wall according to Figure 5.
  • FIG. 7 is a perspective view showing a line assembly module coupled in the transverse direction.
  • Fig. 8 is a perspective view showing the coupling relationship of vertical angles in the pocket portion
  • Fig. 9 is a cross-sectional view showing a facing PC panel secured by tie bars
  • Figure 10 is a perspective view showing a pre-assembly module composed of two-layer 1 section.
  • Figure 11 is a perspective view showing a state in which the slab reinforcing bars in Figure 10.
  • Figure 12 is a perspective view showing a state in which the slab concrete is poured in Figure 11;
  • FIG. 13 is a cross-sectional view showing an embodiment of the corner portion of the present invention hollow composite wall.
  • FIG. 14 is a cross-sectional view showing another embodiment of the corner portion of the present invention hollow composite wall.
  • the pre-assembly module for a hollow composite wall of the present invention is a pre-assembly module for a hollow composite wall in which a hollow is formed inside by combining a pair of PC wall units to be spaced apart from each other, the PC wall unit is provided at both ends of the PC panel and the PC panel, wherein one leg is fixed to one side of the PC panel and the other leg is configured at a vertical angle coupled to the other PC wall unit.
  • Figure 1 is a perspective view showing an embodiment of a PC wall unit
  • Figure 2 is a perspective view showing a pre-assembly module for the present invention hollow composite wall by the PC wall unit of Figure 1.
  • the present invention is a hollow composite wall in which a hollow 20 is formed therein by combining a pair of PC wall units (2a, 2b) to be spaced apart from each other in the present invention.
  • the PC wall units 2a and 2b are provided at both ends of the PC panel 21 and the PC panel 21, respectively, so that one leg is on one side of the PC panel 21 It is fixed and the other leg is characterized in that it consists of a vertical angle (22) coupled with the other PC wall unit (2a, 2b).
  • An object of the present invention is to provide a pre-assembly module for a hollow composite wall that is light in weight, easy to join between members, has excellent workability, and has excellent structural performance, and a hollow composite wall using the same.
  • the present invention is to improve the structural performance, constructability and economic feasibility of a conventional precast concrete wall and a steel-concrete composite wall.
  • the present invention is a hollow composite wall pre-assembly module for a pair of PC wall units (2a, 2b) to be spaced apart so as to face each other, the hollow 20 is formed therein.
  • the PC wall units 2a and 2b are structural members that not only serve as a formwork for concrete poured into the inner hollow 20 but also support a load by themselves.
  • the PC wall units (2a, 2b) are composed of a PC panel (21) and a vertical angle (22) coupled to both ends of the PC panel (21).
  • One leg of the vertical angle 22 is fixed to one side of the PC panel 21, and the other leg is coupled to the other PC wall units 2a and 2b.
  • the vertical angle 22 is attached to both ends of the PC panel 21 to reinforce the PC panel 21, thereby increasing the self-rigidity of the PC wall units 2a and 2b. Accordingly, the thickness of the PC panel 21 can be minimized.
  • the vertical angle 22 serves as a main bar. That is, the vertical angle 22 forms an SRC wall through integration with the PC panel 21 and the on-site concrete poured into the hollow 20 .
  • the vertical angle 22 can be used to interconnect facing PC wall units 2a, 2b or neighboring pre-assembly modules 2 .
  • the members may be coupled to each other by joining the vertical angles 22 of the adjacent members by bolting or welding.
  • the pre-assembly module 2 itself can be erected and installed in the field.
  • the PC wall units 2a, 2b on one side may be first erected in the field, and then the PC wall units 2a, 2b on the other side may be erected to bond the PC wall units 2a, 2b to each other.
  • FIG. 3 is a cross-sectional view showing a line assembly module for the present invention hollow composite wall according to FIG.
  • a wire mesh 211 may be provided inside the PC panel 21 .
  • the pre-assembly module 2 resists axial force and bending by the vertical angle 22 of the end of the PC wall unit (2a, 2b) without a separate vertical reinforcing bar inside.
  • a wire mesh 211 may be provided inside the PC panel 21 .
  • the vertical angle 22 may be provided to surround the outside of the end of the PC panel 21 .
  • the vertical angle 22 may be arranged outside the end of the PC panel 21 so that the vertical angle 22 is exposed to the outside of the PC wall units 2a and 2b.
  • the bonding operation is easy when bonding the facing PC wall units 2a and 2b to each other or bonding to the neighboring pre-assembly module 2 .
  • the vertical angles 22 exposed to the outside can be coupled to each other by welding or bolting.
  • a stud bolt 23 protruding into the hollow 20 through the PC panel 21 may be coupled to the inside of one leg of the vertical angle 22 .
  • a stud bolt 23 may be coupled inside one leg of the vertical angle 22 .
  • Figure 4 is a perspective view showing another embodiment of the PC wall unit
  • Figure 5 is a perspective view showing the present invention hollow composite wall pre-assembly module by the PC wall unit of Figure 4
  • Figure 6 is the view by Figure 5 It is a cross-sectional view showing a pre-assembly module for the invention hollow composite wall.
  • one leg of the vertical angle 22 may be fixed to the inner side surface of the end of the PC panel 21 .
  • the vertical angle 22 can be configured not to be exposed to the outside of the wall.
  • stud bolts 23 fixed in the PC panel 21 may be coupled to the outer surface of the vertical angle 22 .
  • a stud bolt 23 may be coupled to the outer surface of the vertical angle 22 to integrally fix the PC panel 21 and the vertical angle 22 .
  • stud bolts 23 may be provided on the inner surface of the vertical angle 22 in order to integrate the PC wall units 2a and 2b and the deep concrete 3 .
  • transverse reinforcing members 24 may be provided on the inner side surface of the PC panel 21 , both ends of which are coupled to one leg of each of the two vertical angles 22 .
  • a transverse reinforcing member 24 disposed in the transverse direction may be provided on the inner surface of the PC panel 21 .
  • the transverse reinforcing member 24 serves as a horizontal reinforcing bar of the wall.
  • the transverse reinforcing member 24 may use a steel strip, and the end may be fixed to the vertical angle 22 provided inside the end of the PC panel 21 .
  • the transverse reinforcement member 24 can be fixed to the vertical angle 22 by bolting or welding.
  • a stud bolt 23 may be provided on the inner surface of the transverse reinforcement member 24 for integration with the deep concrete 3 .
  • the stud bolt 23 can be coupled to the transverse reinforcing member 24 in advance, so that it can be easily installed.
  • Figure 7 is a perspective view showing a line assembly module coupled in the transverse direction
  • Figure 8 is a perspective view showing the coupling relationship of the vertical angle in the pocket portion.
  • a pocket portion 212 may be formed on one side of the PC panel 21 to expose the vertical angle 22 .
  • a portion of the vertical angle 22 may be exposed to the outside by cutting out a portion of the PC panels 21 and 21 ′ to form the pocket portion 212 .
  • the pocket portion 212 may be formed in the corner portion of the PC panel (21, 21').
  • the vertical angles 22 and 22' can be integrated through the pocket portion 212 by combining adjacent vertical angles 22 and 22' by bolting or welding (W), etc. at the exposed portion.
  • the inside of the pocket portion 212 is filled with non-shrink mortar or the like.
  • Fig. 9 is a cross-sectional view showing the facing PC panel fixed by tie bars
  • a tie bar 25 penetrating the facing PC panel 21 to maintain a distance between the PC panel 21 may be further provided.
  • the thickness of the PC panel 21 can be minimized by combining the vertical angles 22 on both sides of the PC panel 21 .
  • the tie bar 25 is embedded in the deep concrete 3 and also serves to integrate the deep concrete 3 and the PC panel 21 .
  • FIG. 10 is a perspective view showing a pre-assembly module composed of two-layer 1 section
  • FIG. 11 is a perspective view showing a state in which slab reinforcement is reinforced in FIG. 10
  • FIG. 12 is a state in which slab concrete is poured in FIG. is a perspective view.
  • the PC panel 21 may be vertically separated so that the upper PC panel 21 and the lower PC panel 21 are spaced apart from each other.
  • the weight of the pre-assembly module 2 can be minimized by thinning the PC panel 21 . This reduces the lifting load, so it is easy to configure the pre-assembly module 2 in one multi-layer section.
  • the space between the PC panels 21 separated vertically can be installed by penetrating the slab reinforcing bars 41.
  • the slab (4) can be integrated by pouring concrete.
  • Figure 14 is a cross-sectional view showing another embodiment of the corner portion of the present invention hollow composite wall.
  • Each configuration and role of the pre-assembly module 2 for the hollow composite wall is the same as described in the pre-assembly module 2 for the hollow composite wall of the present invention described above with reference to FIGS. 1 to 12 .
  • the deep concrete 3 is formed by pouring concrete on-site between a pair of PC panels 21 facing each other of the pre-assembly module 2 for a hollow composite wall.
  • the pre-assembly module 2 and the deep concrete 3 to be cast on site are integrated to form an SRC composite wall.
  • the pre-assembly module (2, 2') is formed at the orthogonal corner portion by combining the external vertical angle 26 and the corner vertical angle 27 separately to the outside, and , can be finished by pouring deep concrete (3) inside.
  • the pre-assembly module for a hollow composite wall of the present invention has industrial applicability in that it is possible to reduce the weight of the member, thereby improving workability and economic efficiency.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Load-Bearing And Curtain Walls (AREA)
  • Panels For Use In Building Construction (AREA)

Abstract

La présente invention concerne un module préfabriqué pour une paroi composite creuse et une paroi composite creuse l'utilisant, le module préfabriqué étant léger, ayant une liaison facile entre les éléments, ayant une excellente constructibilité, et ayant une performance structurelle supérieure, par couplage d'angles verticaux à des parties d'extrémité opposées d'un panneau en PC qui constitue chaque unité de paroi en PC d'une paire d'unités de paroi en PC qui sont espacées l'une de l'autre de telle sorte qu'une partie creuse est formée à l'intérieur de celles-ci. Dans le module préfabriqué pour une paroi composite creuse selon la présente invention, la paire d'unités de paroi en PC étant couplées de façon à être espacées l'une de l'autre de telle sorte qu'une partie creuse est formée à l'intérieur de celles-ci, et l'unité de paroi en PC comprend un panneau en PC et des angles verticaux qui sont respectivement disposés au niveau des parties d'extrémité opposées du panneau en PC et ont chacun une patte fixée à une surface latérale du panneau en PC et l'autre patte couplée à une autre unité de paroi en PC.
PCT/KR2021/007743 2020-07-28 2021-06-21 Module préfabriqué pour paroi composite creuse et paroi composite creuse l'utilisant WO2022025432A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0093678 2020-07-28
KR1020200093678A KR102461223B1 (ko) 2020-07-28 2020-07-28 중공 합성벽체용 선조립 모듈 및 이를 이용한 중공 합성벽체

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WO2022025432A1 true WO2022025432A1 (fr) 2022-02-03

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PCT/KR2021/007743 WO2022025432A1 (fr) 2020-07-28 2021-06-21 Module préfabriqué pour paroi composite creuse et paroi composite creuse l'utilisant

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WO (1) WO2022025432A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115814321A (zh) * 2022-11-21 2023-03-21 中建八局第二建设有限公司 一种消火栓预制装配式防火保护结构

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KR101672924B1 (ko) * 2016-01-19 2016-11-25 (주)한국리페어엔지니어링 고강도 강판을 이용한 내화용 보강 판넬 및 이의 시공방법
KR20180014793A (ko) * 2018-01-22 2018-02-09 유병훈 연결형강을 이용한 이중벽체 구조물 제작방법 및 그 시공방법
KR20190081117A (ko) * 2017-12-29 2019-07-09 서울시립대학교 산학협력단 양중·설치가 용이한 합성 프리캐스트 벽체 시스템

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KR101570790B1 (ko) * 2014-08-05 2015-11-23 이승우 선조립 벽체 프레임
KR101553345B1 (ko) * 2015-05-27 2015-09-15 삼표피앤씨 주식회사 더블 월 피씨들의 접합 시공방법 및 이에 의한 접합구조
KR101672924B1 (ko) * 2016-01-19 2016-11-25 (주)한국리페어엔지니어링 고강도 강판을 이용한 내화용 보강 판넬 및 이의 시공방법
KR20190081117A (ko) * 2017-12-29 2019-07-09 서울시립대학교 산학협력단 양중·설치가 용이한 합성 프리캐스트 벽체 시스템
KR20180014793A (ko) * 2018-01-22 2018-02-09 유병훈 연결형강을 이용한 이중벽체 구조물 제작방법 및 그 시공방법

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115814321A (zh) * 2022-11-21 2023-03-21 中建八局第二建设有限公司 一种消火栓预制装配式防火保护结构

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KR102461223B1 (ko) 2022-10-28

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