WO2018196151A1 - Parpaing de type à cavité préfabriquée formant mur de cisaillement en béton - Google Patents

Parpaing de type à cavité préfabriquée formant mur de cisaillement en béton Download PDF

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Publication number
WO2018196151A1
WO2018196151A1 PCT/CN2017/090167 CN2017090167W WO2018196151A1 WO 2018196151 A1 WO2018196151 A1 WO 2018196151A1 CN 2017090167 W CN2017090167 W CN 2017090167W WO 2018196151 A1 WO2018196151 A1 WO 2018196151A1
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Prior art keywords
shear wall
concrete shear
cavity
reinforced concrete
reserved
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PCT/CN2017/090167
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English (en)
Chinese (zh)
Inventor
李爱群
徐刚
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东南大学
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Application filed by 东南大学 filed Critical 东南大学
Publication of WO2018196151A1 publication Critical patent/WO2018196151A1/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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
    • 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

Definitions

  • the invention relates to a prefabricated cavity type vertical joint concrete shear wall technology, belonging to the technical field of structural engineering.
  • Assembled concrete structure means that the various components of the structure, including prefabricated shear walls, prefabricated beams, prefabricated slabs, prefabricated shear walls, etc., are standardized in the factory, and then the prefabricated components are bolted, welded or pre-wired at the construction site.
  • the prefabricated components of the prefabricated concrete structure can be industrially produced, and the production process can be more elaborate than ordinary cast-in-place components. It has the advantages of saving labor, quick construction progress, facilitating building energy conservation, facilitating industrial production and mechanized construction, and adapting to China's industrialization of construction. The direction of development.
  • the shear wall is mostly made of large and low wall panels.
  • the shear wall is generally stiff and has a large seismic effect. Therefore, the design needs a larger section size, which is uneconomical and does not meet the seismic design concept, and the shear force.
  • the wall section has a large delay and is relatively poor.
  • the internal hydropower heating line of the prefabricated concrete structure requires post-construction, which not only affects the construction period, but also the drilling and drilling of the prefabricated components to affect the structural safety and aesthetics. Therefore, the rigidity of the prefabricated concrete structure, the poor ductility and the installation problem of the hydropower pipeline need to be solved urgently.
  • the present invention discloses a prefabricated cavity type vertical joint concrete shear wall, which is adapted to the characteristics that the precast concrete component is easy to be industrialized, and the preset cavity can reduce the structural weight and reduce the structural rigidity, thereby reducing Small earthquake action, and preset vertical joints For joints or semi-throughs), the ductility of the shear wall can be greatly improved, thereby improving the overall seismic performance of the structure.
  • it also solves the problems caused by the installation of the hydroelectric heating line of the precast concrete shear wall.
  • the object of the present invention is to provide a prefabricated cavity type vertical joint concrete shear wall, which has the characteristics of easy industrial production, large ductility, light weight and good seismic performance.
  • a prefabricated cavity type vertical joint concrete shear wall which has the characteristics of easy industrial production, large ductility, light weight and good seismic performance.
  • the prefabricated hollow open-cut concrete shear wall according to the present invention comprises a hollow section of a reinforced concrete shear wall, and the hollow section of the reinforced concrete shear wall contains a reserved cavity, and the thickness direction of the cavity is reserved.
  • the two sides are cavity walls, and the cavity ends are reserved on both sides in the longitudinal direction of the cavity, and the reserved cavity is formed by the internal reserved template.
  • the invention has two or more ordinary reinforced concrete shear wall segments, and the common reinforced concrete shear wall segment and the reinforced concrete shear wall cavity segment are separated by reserved vertical through seams or reserved vertical blind seams. .
  • the ordinary reinforced concrete shear wall segment and the reinforced concrete shear wall cavity segment are respectively reinforced according to the independent wall, and the horizontal and vertical reinforcing bars are reserved vertically along the length of the wall.
  • the seam is not continuous.
  • the cavity wall of the hollow section of the reinforced concrete shear wall is arranged with horizontal and vertical distribution of steel bars to improve the deformation energy consumption of the cavity wall.
  • the ordinary reinforced concrete shear wall section and the reinforced concrete shear wall cavity section are reinforced according to the integral wall, and the horizontal and vertical steel bars are continuously penetrated along the length of the wall.
  • the invention has two or more reinforced concrete shear wall cavity sections, which are divided by reserved vertical through seams or reserved vertical blind seams.
  • each The hollow sections are respectively reinforced by separate walls, and the horizontal and vertical reinforcing bars are discontinuous along the length of the wall at the reserved vertical joints.
  • the vertical blind seam is divided, the hollow sections of each reinforced concrete shear wall are reinforced according to the integral wall, and the horizontal and vertical steel bars are continuous along the length of the wall.
  • the end of the ordinary reinforced concrete shear wall section and the reinforced concrete shear wall cavity section of the present invention are respectively arranged with longitudinally stressed steel bars and stirrups as wall end columns and cavity end columns, and the ordinary reinforced concrete shear wall sections are divided.
  • the horizontal and vertical distribution of steel bars are arranged in other parts of the wall end column to improve the deformation and energy consumption of the components.
  • the cavity wall of the hollow section of the reinforced concrete shear wall is arranged with horizontal and vertical distribution of steel bars to improve the deformation energy dissipation capacity of the cavity wall.
  • the reserved vertical through seam is formed by the reserved template, and the vertical through joint is reserved for the thickness direction of the shear wall, and the vertical length does not penetrate the height of the shear wall, thereby facilitating the overall installation and rapid construction of the prefabricated component.
  • the horizontally distributed steel bars are arranged for the structural use in the vertically unconnected vertical joints.
  • the reserved vertical blind seam of the invention is formed by the internal reserved template, and the vertical blind joint is reserved without the thickness direction of the shear wall, and the vertical length does not penetrate the shear wall height, thereby facilitating the overall installation and rapid construction of the prefabricated component.
  • the horizontal distribution of the steel bars for the vertical blind joints is reserved for structural use.
  • the reserved cavity of the present invention avoids stress concentration, and the arc corner transitions are adopted at the corners of the cavity; the reserved cavity may have a rectangular shape, a square shape, an elliptical shape or other regular shapes.
  • the inside of the reserved cavity can be used for installing a fixed water and electric heating pipe, and the embedded pipe is connected between each pipe and the cavity.
  • the longitudinally-distributed steel bars of the wall end column and the cavity end column and the vertical distributed steel bars of the ordinary reinforced concrete shear wall wall according to the present invention are realized by the general connection mode of the ordinary assembled shear wall.
  • Component connection such as sleeve connection, slurry anchor connection, etc.
  • the invention provides a prefabricated cavity type vertical joint concrete shear wall, the common shear wall section of the precast hollow type vertical joint concrete shear wall and the length of the reserved cavity section, the cavity position and the cavity Dimensions, wall end columns and cavity end column dimensions and the number of reinforcements are designed using a performance-based design approach to achieve the best match between component and structural energy dissipation, stiffness and load carrying capacity.
  • the pre-cavity of the prefabricated cavity in the prefabricated open-faced concrete shear wall can reduce the structural self-weight, reduce the structural rigidity, thereby reducing the seismic action, and the preset vertical joint can greatly improve the ductility of the shear wall.
  • the cavity and vertical joints achieve different performance targets under different earthquakes through performance-based design, enhancing and improving the energy dissipation capacity of the shear wall, thereby improving the overall seismic performance of the structure.
  • a pipeline is arranged in the reserved cavity for installing the water heating and heating line, so that after the structural installation is completed, the related equipment has been completed, which reduces the extension of the construction period brought by the later decoration, and avoids the installation of the later construction to the structure.
  • the safety hazards and aesthetic problems brought by the wall The flexible connection of the pipeline connection ensures that it can work normally under normal lateral loads without causing damage due to interruption.
  • Figure 1 is a perspective view of a first embodiment of a prefabricated hollow open-faced concrete shear wall of the present invention.
  • Fig. 2 is a schematic cross-sectional view showing the reinforcing structure of the first embodiment of the prefabricated hollow type vertical joint concrete shear wall of the present invention.
  • Figure 3 is a perspective view of a second embodiment of a prefabricated hollow open-faced concrete shear wall of the present invention.
  • FIG. 4 is a schematic cross-sectional view of a second embodiment of a prefabricated hollow open-faced concrete shear wall of the present invention.
  • Figure 5 is a perspective view of a third embodiment of a prefabricated hollow open-faced concrete shear wall of the present invention.
  • Fig. 6 is a schematic cross-sectional view showing the reinforcing structure of the third embodiment of the prefabricated hollow type vertical joint concrete shear wall of the present invention.
  • Figure 7 is a perspective view of a fourth embodiment of a prefabricated hollow open-faced concrete shear wall of the present invention.
  • Figure 8 is a schematic cross-sectional view of the reinforcing member of the fourth embodiment of the prefabricated hollow open-faced concrete shear wall of the present invention.
  • the invention is shown in the accompanying drawings and is characterized in that it comprises a hollow section of a reinforced concrete shear wall (1), and a cavity section (1) of the reinforced concrete shear wall contains a reserved cavity (2), and a cavity is reserved ( 2) Both sides of the thickness direction are cavity walls (3), and the cavity (2) in the longitudinal direction is reserved for the cavity end column (4), and the reserved cavity (2) is formed by the internal reserved template.
  • the invention is also characterized by containing two or more ordinary reinforced concrete shear wall segments (5), ordinary reinforced concrete shear wall segments (5) and reinforced concrete shear wall cavity segments (1) by reserved vertical direction
  • the slit (6) is divided, and Fig. 1 is a first embodiment of the present invention.
  • the ordinary reinforced concrete shear wall section (5) and the reinforced concrete shear wall cavity section (1) are respectively reinforced according to the independent wall, and the horizontal and vertical reinforcing bars are reserved along the length of the wall at the vertical through joint (6) Discontinuous.
  • the longitudinal section of the ordinary reinforced concrete shear wall section (5) and the reinforced concrete shear wall cavity section (1) are respectively provided with longitudinally stressed steel bars and stirrups for the wall end column (8) and the cavity end column (4), which are improved. Component deformation and load carrying capacity.
  • the cavity wall (3) of the cavity section (1) of the shear wall is provided with horizontal and vertical distribution of steel bars to improve the deformation energy consumption capability of the cavity wall (3).
  • the invention is also characterized by containing two or more ordinary reinforced concrete shear wall segments (5), ordinary reinforced concrete shear wall segments (5) and reinforced concrete shear wall cavity segments (1) by reserved vertical direction
  • the blind slit (7) is divided
  • Fig. 2 is a second embodiment of the present invention.
  • Ordinary reinforced concrete shear wall section (5) and reinforced concrete shear wall cavity section (1) are reinforced according to the integral wall, and each horizontal and vertical steel bar continuously penetrates along the length of the wall.
  • the longitudinal part of the ordinary reinforced concrete shear wall section (5) and the reinforced concrete shear wall cavity section (1) are respectively arranged with longitudinally stressed steel bars and stirrups as wall end columns (8) and cavity end columns (4) To improve the energy consumption of the component under large lateral deformation.
  • the invention is also characterized in that there are two or more reinforced concrete shear wall cavity sections (1), and the reinforced concrete shear wall cavity sections (1) are separated by a reserved vertical joint (6).
  • Fig. 3 is a third embodiment of the present invention.
  • the hollow sections of each reinforced concrete shear wall (1) are respectively reinforced according to the independent wall, and the horizontal and vertical steel bars are discontinuous along the length of the wall at the reserved vertical joint (6).
  • the end portions of the hollow section (1) of each reinforced concrete shear wall are respectively arranged with longitudinally stressed steel bars and stirrups as chamber end columns (4) to improve the deformation and bearing capacity of the members.
  • the cavity wall (3) of the hollow section (1) of the reinforced concrete shear wall is provided with horizontal and vertical distribution of steel bars, and the energy dissipation capacity of the cavity wall (3) is improved.
  • the invention is also characterized in that there are two or more reinforced concrete shear wall cavity sections (1), and the reinforced concrete shear wall cavity sections (1) are separated by a reserved vertical blind seam (7).
  • 4 is a fourth embodiment of the present invention.
  • the hollow section of each reinforced concrete shear wall (1) is reinforced according to the integral wall, and each horizontal and vertical steel bar is continuous along the length of the wall.
  • each The ends of the hollow section (1) of the reinforced concrete shear wall are respectively arranged with longitudinally-strength steel bars and stirrups as chamber end columns (4) to improve the deformation and bearing capacity of the members.
  • the cavity wall (3) of the hollow section (1) of the reinforced concrete shear wall is provided with horizontal and vertical distribution of steel bars, and the energy dissipation capacity of the cavity wall (3) is improved.
  • the invention is also characterized in that the reserved vertical through seam (6) is formed by the reserved template, and the vertical through joint (6) is reserved for the thickness direction of the shear wall, and the vertical length does not penetrate the height of the shear wall, thereby facilitating the whole of the prefabricated member. Installation and rapid construction, reserved vertical joints (6) Horizontally distributed steel bars are placed in the vertical unconstructed part for structural purposes.
  • the invention is also characterized in that the reserved vertical blind seam (7) is formed by the internal reserved template, and the vertical dark seam (7) is reserved without the thickness direction of the shear wall, and the vertical length does not penetrate the shear wall height, which is convenient for prefabrication.
  • the whole component is installed and quickly constructed, and vertical blind seams are reserved (7) horizontally distributed steel bars are not used for structural purposes.
  • the invention is also characterized in that the cavity (2) is reserved to avoid stress concentration, and the arc corner transition is adopted at the corner of the cavity; the reserved cavity (2) may be rectangular, square, elliptical or other regular shape.
  • the interior of the reserved cavity (2) can be used to install a fixed water and electricity heating pipe (9), and the pipes and the cavity are connected by embedded parts.
  • the invention is also characterized by the longitudinally-loaded steel bars of the wall end column (8), the cavity end column (4) and the ordinary reinforced concrete shear wall section (5)
  • the vertically distributed steel bars are connected by the general connection manner of the ordinary assembled shear wall. Such as sleeve connection, slurry anchor connection, etc.
  • the technical means disclosed in the solution of the present invention is not limited to the technical means disclosed in the above embodiments, and includes a technical solution composed of any combination of the above technical features.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

Parpaing de type à cavité préfabriquée formant mur de cisaillement en béton, comprenant un segment de cavité de mur de cisaillement en béton armé (1) et un segment de mur de cisaillement en béton armé ordinaire (5). Une cavité réservée (2) est prévue à l'intérieur du segment de cavité de mur de cisaillement en béton armé (1) ; des murs à cavité (3) sont disposés des deux côtés de la direction d'épaisseur de la cavité réservée (2) ; des montants d'extrémité de cavité (4) sont disposés des deux côtés de la direction de longueur de la cavité réservée (2) ; le segment de mur de cisaillement en béton armé ordinaire (5) et le segment de cavité de mur de cisaillement en béton armé (1), ou les segments de cavité de mur de cisaillement en béton armé (1) sont séparés par la réservation d'une articulation droite verticale (6) ou la réservation d'une articulation cachée verticale (7). Grâce à la prédéfinition d'une cavité dans un mur de cisaillement, le poids et la rigidité d'une structure peuvent être réduits, et des parpaings peuvent améliorer considérablement la ductilité du mur de cisaillement, et ainsi, la performance anti-sismique globale de la structure est améliorée.
PCT/CN2017/090167 2017-04-28 2017-06-27 Parpaing de type à cavité préfabriquée formant mur de cisaillement en béton WO2018196151A1 (fr)

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CN201710290391.9 2017-04-28
CN201710290391.9A CN106968360A (zh) 2017-04-28 2017-04-28 一种预制空腔式开竖缝混凝土剪力墙

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CN109555240A (zh) * 2019-01-09 2019-04-02 南京工业大学 一种部分预应力装配式剪力墙结构
CN109555228A (zh) * 2018-12-25 2019-04-02 中国建筑第二工程局有限公司 一种组装式预制pcf外墙板固定装置及其施工方法
CN109736478A (zh) * 2019-01-28 2019-05-10 北京博创绿色建筑科技有限公司 L型、t型混凝土剪力墙结构组合型预制边缘构件
CN109930742A (zh) * 2019-04-03 2019-06-25 浙江越宫钢结构有限公司 一种剪力墙基本单元及剪力墙及建筑单体
CN110130531A (zh) * 2019-06-06 2019-08-16 深汕特别合作区盛腾科技工业园有限公司 一种装配式剪力墙与地梁连接结构及方法
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CN112095848A (zh) * 2020-09-14 2020-12-18 哈尔滨工业大学 一种多腔钢板-混凝土组合剪力墙及其装配方法
CN112554369A (zh) * 2020-12-17 2021-03-26 西北民族大学 一种压型钢衬板组合钢筋混凝土空腔叠合剪力墙及其生产方法
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CN109440962A (zh) * 2018-11-27 2019-03-08 刘祥锦 预制剪力墙边缘构件的水平缝连接节点及其高度计算方法
CN109440962B (zh) * 2018-11-27 2024-05-17 刘祥锦 预制剪力墙边缘构件的水平缝连接节点及其高度计算方法
CN109555228A (zh) * 2018-12-25 2019-04-02 中国建筑第二工程局有限公司 一种组装式预制pcf外墙板固定装置及其施工方法
CN109555228B (zh) * 2018-12-25 2023-12-22 中国建筑第二工程局有限公司 一种组装式预制pcf外墙板固定装置及其施工方法
CN109555240A (zh) * 2019-01-09 2019-04-02 南京工业大学 一种部分预应力装配式剪力墙结构
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