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Local superposed beam and prefabricated column node steel bar staggered connection structure and construction method thereof

A beam-column joint and superimposed beam technology, which is applied to building structures, structural elements, building components, etc., can solve problems such as low construction efficiency and poor seismic performance, so as to enhance seismic performance, reduce reinforcement work and concrete pouring amount of effect

Pending Publication Date: 2021-11-12
CHINA CONSTR FIFTH ENG DIV CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, the present invention proposes a structure and a construction method for the dislocation connection of local composite beams and prefabricated column joints. bad technical problem

Method used

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  • Local superposed beam and prefabricated column node steel bar staggered connection structure and construction method thereof
  • Local superposed beam and prefabricated column node steel bar staggered connection structure and construction method thereof
  • Local superposed beam and prefabricated column node steel bar staggered connection structure and construction method thereof

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Experimental program
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Effect test

Embodiment 1

[0049] Please refer to the attached Figure 2-4 , a partial composite beam and prefabricated column joint reinforcement dislocation connection structure, including the prefabricated lower column 7 which is prefabricated by reinforced concrete, the first direction partial composite beam 1, the second direction partial composite beam 2, the prefabricated lower The column 7 includes a lower column main body 71 and a lower column longitudinal steel bar 72, the beam-column joint core area 01 is directly above the lower column main body 71, one end of the lower column longitudinal steel bar 72 is located in the lower column main body 71, and the other end of the lower column longitudinal steel bar 72 One end extends into the core area 01 of the beam-column joint; the partial laminated beam 1 in the first direction includes a first laminated body, and the first laminated body includes a first fully prefabricated beam section 11 and a beam located near the first fully precast beam sect...

Embodiment 2

[0062] The invention also discloses a construction method for the dislocation connection structure of local composite beams and prefabricated column nodes. The construction method of column node steel bar dislocation connection structure includes the following steps:

[0063] S1, making prefabricated components: complete the prefabrication of the prefabricated lower column 7, the partial composite beam 1 in the first direction, the partial composite beam 2 in the second direction, and the prefabricated upper column 6 according to the design requirements.

[0064] S2, hoisting the prefabricated lower column 7: hoist the prefabricated lower column 7 to the designed position by using a spreader, and install the prefabricated lower column 7.

[0065] During specific implementation, before hoisting the prefabricated lower column 7, it is necessary to measure and set out the line to determine the specific position of the component, correct the position of the longitudinal steel bar ...

Embodiment 3

[0073] The invention also discloses a construction method for the dislocation connection structure of local composite beams and prefabricated column nodes. The construction method of column node steel bar dislocation connection structure includes the following steps:

[0074] S1, making prefabricated components: complete the prefabrication of the prefabricated lower column 7, the partial composite beam 1 in the first direction, the partial composite beam 2 in the second direction, and the prefabricated upper column 6 according to the design requirements.

[0075] S2, hoisting the prefabricated lower column 7: hoist the prefabricated lower column 7 to the designed position by using a spreader, and install the prefabricated lower column 7.

[0076] S3, hoisting the partial laminated beam 1 in the first direction: measuring and setting out, placing the support of the partial laminated beam, hoisting the partial laminated beam 1 in the first direction to the corresponding position...

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Abstract

The invention discloses a partial superposed beam and prefabricated column joint steel bar staggered connection structure and a construction method, the partial superposed beam and prefabricated column joint steel bar staggered connection structure comprises a prefabricated lower column, a first-direction partial superposed beam and a second-direction partial superposed beam which are respectively prefabricated by reinforced concrete, and the prefabricated lower column comprises a lower column main body and lower column longitudinal steel bars; a beam column joint core area is arranged over the lower column body, one end of each lower column longitudinal steel bar is located in the lower column body, and the other end of each lower column longitudinal steel bar extends into the beam column joint core area. According to the invention, the beam end is locally arranged as the superposed beam, the connecting longitudinal bars are additionally arranged, and then the superposed beam and the local superposed beam surface bars are bound and lapped, so that by adopting the connecting mode, the steel bar operation and the concrete pouring amount on site are reduced; and meanwhile, high-performance concrete is poured after a beam-column joint connecting area, so that the anti-seismic property of the joint is enhanced.

Description

technical field [0001] The invention belongs to the technical field of assembled buildings, and in particular relates to a dislocation connection structure and a construction method of a partially laminated beam and a prefabricated column joint steel bar. Background technique [0002] In the current prefabricated building projects, the scheme adopted for the beam-column connection of the prefabricated structure is: the prefabricated lower column and the composite beam are used for post-casting connection. After the prefabricated lower column and the composite beam are hoisted, the composite beam gluten is added , and finally pour ordinary concrete in the core area of ​​the beam-column joint and the cast-in-place layer of the composite beam. [0003] The disadvantage of this connection scheme is that the on-site process is complex, and the amount of concrete pouring and reinforcement work on site is more, which not only restricts the efficiency of on-site construction, but al...

Claims

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Application Information

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IPC IPC(8): E04B1/20E04B1/21E04B1/58E04C5/01E04G13/04E04G13/02E04G21/14E04G21/02E04G21/24E04G21/12
CPCE04B1/20E04B1/21E04B1/58E04C5/01E04G13/04E04G13/02E04G21/14E04G21/02E04G21/246E04G21/12E04G21/122E04G21/123
Inventor 周泉姚延化李水生唐宇轩许宁
Owner CHINA CONSTR FIFTH ENG DIV CORP LTD
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