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Precast hollow superimposed shear wall based on flat die production and steel bar overlapping

A technology for superimposing shear walls and prefabricated walls, applied in the direction of walls, building materials, building components, etc., can solve the difficulty in realizing the integrated construction of prefabricated exterior wall structure, thermal insulation and decoration, imperfect on-site supporting construction technology, and restricting promotion. Application and other issues, to achieve the effect of standardization and generalization of molds, avoiding fixed equipment investment, and reducing costs

Pending Publication Date: 2020-05-08
净小平 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing composite shear wall structure technology system generally has shortcomings such as complex production equipment, high technical threshold, and imperfect on-site supporting construction technology. Some systems are difficult to realize the integrated construction of prefabricated exterior wall structure, thermal insulation, and decoration. To a certain extent Restricted its popularization and application

Method used

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  • Precast hollow superimposed shear wall based on flat die production and steel bar overlapping
  • Precast hollow superimposed shear wall based on flat die production and steel bar overlapping
  • Precast hollow superimposed shear wall based on flat die production and steel bar overlapping

Examples

Experimental program
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Effect test

Embodiment 1

[0067] Such as Figure 1 to Figure 7 As shown, in this embodiment, the prefabricated hollow laminated shear wall includes an edge member area 1 , a wall body area 2 , a window wall area 3 , a coupling beam area 4 , a door opening 5 and a window opening 6 . It should be noted that the edge member area 1 and the wall body area 2 can be independently used for the prefabricated hollow laminated shear wall based on flat mold production and steel bar lapping according to the present invention. The specific embodiment is to more fully illustrate the scheme of the present invention, including the wall area 3 under the window, the connecting beam area 4, the door opening 5 and the window opening 6, but it does not represent the prefabricated hollow lamination based on the production of flat molds and the overlapping of steel bars in the present invention The shear wall must be used for the prefabricated shear wall including the wall area 3 under the window, the coupling beam area 4, th...

Embodiment 2

[0084] Figure 14 ~ Figure 18 Shown is the second embodiment of the present invention, which differs from the preferred embodiment one in that the position of the edge member adopts two small-sized edge member holes to form two vertical holes with a shaping pipe 11, so as to realize the vertical The advantage of the lap joint connection of steel bars is that during flat die production, the space between the two small-sized edge member hole forming pipes 11 is more helpful to ensure the pouring quality of the lower part of the concrete, and facilitates the rowing of the edge member tie bars 14. cloth. The shaped pipe 11 for forming a hole in a single small-sized edge member is also composed of a lower pipe 111 and an upper pipe 112 . Wherein the length of the lower pipe 111 should not be less than the lap length of the vertical reinforcement of the edge member, the cross section adopts a rectangular cross section, and the four corners are bent to form a chamfer to avoid the ve...

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Abstract

A precast hollow superimposed shear wall based on flat die production and steel bar overlapping comprises precast concrete wall bodies containing vertical holes, connecting steel bars laid in the vertical holes and on-site post-cast concrete in the vertical holes. A wall body steel bar cage and shaped pipelines are arranged in the precast concrete wall bodies, the shaped pipelines are used for forming the vertical holes to realize overlapping connection of vertical steel bars of the upper wall body and the lower wall body in an overall shear wall structure, no special hole forming equipment isrequired, a fixed fie platform production line and a flat die assembly production line frequently used in a prefabricated component factory can be adopted for flat die production at present, and thenewly increased investment in fixing equipment is avoided; and the main stressed steel bars of the wall bodies are laid in the factory inside the precast concrete wall bodies, and the amount of steelbar binding in site construction is reduced. After the installation of the precast concrete wall bodies on the construction site, the connecting steel bars are laid in the vertical holes, and concreteis poured into the vertical holes to connect the upper and lower precast concrete wall bodies, and the precast hollow superimposed shear wall has the advantages of simple installation, convenient connection and controllable cost.

Description

technical field [0001] The invention belongs to the technical field of construction, and relates to a prefabricated shear wall, in particular to a prefabricated hollow composite shear wall based on flat mold production and steel bar lapping. Background technique [0002] Under the influence of the basic national conditions of more people and less land, user demand orientation in the housing market, and high seismic fortification requirements, the prefabricated houses in my country mainly adopt the prefabricated integral shear wall structure system at this stage. The existing prefabricated integral shear wall structure can be divided into fully prefabricated shear wall structure and laminated shear wall structure according to the prefabricated wall form. [0003] Fully prefabricated shear walls are prefabricated along the thickness direction of the wall, and the vertical steel bars are usually connected by special steel bar joints, such as sleeve grouting joints, grout anchor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04C2/06E04B2/86E04C2/52
CPCE04C2/06E04B2/86E04C2/521
Inventor 净小平韩静杨超
Owner 净小平
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