Construction method of hole opening superposed shear wall internally provided with deep connecting beam of diagonal reinforcing steel bar truss

A technology of superimposed shear walls and steel trusses, which is applied to the processing of walls, building materials, and building components. It can solve problems such as difficulties in the arrangement of oblique steel bars, reduce assembly and construction links, have strong versatility, and reduce construction operations. effect of difficulty

Active Publication Date: 2020-08-25
WUHAN UNIV OF TECH +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a construction method for deep connecting beams with built-in diagonal steel trusses in laminated shear walls with openings. The structural steel truss of the laminated wall piece bears the new role of the internal force of the structure, so that the laminated deep connecting beam can meet the structural force and seismic requirements without adding additional reinforcement, which is in line with the "strong shear weak bending" of deep connecting beams The principle of ductility design and effectively solve the problem of difficult reinforcement arrangement in the construction process

Method used

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  • Construction method of hole opening superposed shear wall internally provided with deep connecting beam of diagonal reinforcing steel bar truss
  • Construction method of hole opening superposed shear wall internally provided with deep connecting beam of diagonal reinforcing steel bar truss
  • Construction method of hole opening superposed shear wall internally provided with deep connecting beam of diagonal reinforcing steel bar truss

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Embodiment 1

[0024] Such as figure 1 , figure 2 and image 3 The double-sided laminated shear wall panel with the opening shown includes the prefabricated double-sided laminated shear wall panel 1A, the prefabricated double-sided laminated connecting beam 2A, the longitudinal stress reinforcement bar 3 of the laminated deep connecting beam, and the The outer stirrup 4 of the longitudinal stress reinforcement 3 of the deep connecting beam, the cross-type diagonal reinforcement truss 5 arranged in the stirrup 4 and inserted between the longitudinal stress reinforcement 3 of the laminated deep coupling beam, and the post-cast concrete 9 of the core layer . The above-mentioned double-sided laminated shear wall 1A includes the inner leaf prefabricated laminated wall panel 6 and the outer leaf prefabricated laminated wall panel 7, and the inner leaf prefabricated laminated wall panel 6 and the outer leaf prefabricated laminated wall panel 7 are vertically arranged The steel bar trusses 12 ar...

Embodiment 2

[0033] Such as figure 1 , figure 2 and Figure 4 The single-sided laminated shear wall panels with openings shown include prefabricated single-sided laminated shear wall panels 1B, prefabricated single-sided laminated connecting beams 2B, longitudinally stressed reinforcement bars 3 for laminated deep connecting beams, and Stirrups 4 on the outside of the longitudinal stress reinforcement 3 of the connecting beam, the cross-shaped diagonal reinforcement truss 5 arranged in the stirrup 4 and inserted between the longitudinal stress reinforcement 3 of the laminated deep coupling beam longitudinal reinforcement, and behind the core layer Pouring concrete9. The above-mentioned single-sided laminated shear wall 1B includes prefabricated laminated wall panels 6 on the inner leaves, prefabricated laminated wall panels 7 on the outer leaves, FRP insulation connectors 10 connecting the prefabricated wall panels on the inner and outer leaves, and prefabricated laminated wall panels 7 o...

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Abstract

The invention relates to a construction method of a hole opening superposed shear wall internally provided with a deep connecting beam of a diagonal reinforcing steel bar truss. The construction method comprises the following steps of manufacturing a prefabricated superposed shear wall in a prefabricating processing plant: when an integral reinforcement cage of the superposed shear wall is manufactured, placing two obliquely arranged reinforcing steel bar trusses in a cross manner between longitudinal stress reinforcing bars of a connecting beam, then connecting the reinforcement cages of theconnecting beam to reinforcement cage meshes in inner and outer blade prefabricated wallboards effectively, and finally pouring wallboard concrete to form the prefabricated superposed shear wall; andtransporting the manufactured prefabricated superposed shear wall to a construction site, and pouring core concrete and carrying out upper structure construction after the core concrete reaches certain strength to finish construction of the whole shear wall structure. The anti-shear ability of the superposed deep connecting beam is improved by means of the obliquely arranged reinforcing steel bartrusses, and a configured reinforcing steel bar truss bearing structure connected to superposed wall sheets is endowed with a novel effect of an internal force, so that the superposed deep connectingbeam can meet the structural stress and anti-quake demand under a circumstance of not adding extra reinforcing bars.

Description

technical field [0001] The invention relates to the technical field of building engineering construction, in particular to a construction method for a deep connecting beam with a built-in diagonal steel bar truss in a superimposed shear wall with an opening. Background technique [0002] As an important part of the shear wall structure system, the coupling beam has a decisive influence on the seismic performance of the structure. In the frame-shear wall structure and frame-core tube structure, since the shear wall and the core tube bear most of the horizontal load, when necessary, it is advisable to select coupling beams with a small span-to-height ratio (for example, less than 2.5) to ensure that the structure In other cases, it is also possible to choose a coupling beam with a smaller span-to-height ratio due to structural reasons. Due to the relatively small shear-bending ratio of this type of coupling beam, if the section design and reinforcement method of conventional ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/00E04B2/00E04B1/98E04H9/02E04C2/06E04C2/30E04B1/61E04B1/80
CPCE04B1/61E04B1/80E04B1/98E04B2/00E04C2/06E04C2/30E04G21/00E04H9/02
Inventor 谷倩邓庆谭园蒲武川田水
Owner WUHAN UNIV OF TECH
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