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Construction method for prefabricated superposed beams and slabs

A construction method and technology of laminated slabs, which are applied in the direction of formwork/formwork/work frame, connectors of formwork/formwork/work frame, girders, etc., and can solve the problem of easy cracking at the joints of laminated slabs or laminated beams problems, to achieve the effect of increasing the number of reusable times and saving the amount of templates

Pending Publication Date: 2021-08-03
CHONGQING UNIV +1
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Problems solved by technology

[0005] In the existing construction technology of prefabricated structures, cracks are prone to occur at the joints of laminated slabs or laminated beams. During the construction process, how to quickly adjust the temporary support at the bottom of the laminated beams and slabs determines the efficiency of construction and the quality of the finished product. quality

Method used

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  • Construction method for prefabricated superposed beams and slabs
  • Construction method for prefabricated superposed beams and slabs
  • Construction method for prefabricated superposed beams and slabs

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Embodiment Construction

[0028] The technical solutions in the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] The embodiment of the present invention proposes a construction method for assembled composite beams and slabs:

[0030] Such as Figure 1~4 shown, including:

[0031] Surveying and setting out, carrying out horizontal control setting out and elevation control setting out, arranging vertical control points and pilot elevation control points;

[0032] Put the temporary steel pipe support in place quickly, and use the laser level to quickly erect the temporary support before hoisting the laminated slab and laminated beam;

[0033] Hoist the laminated beams and laminated slabs in place, adjust and fix the laminated beams and laminated slabs;

[0034] Clean the surface of composite beams and composite slabs, and use grid cloth and expanded concrete to treat the joints and joints of composite slabs;

[0035] After the la...

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Abstract

The invention provides a construction method for prefabricated superposed beams and slabs. The construction method comprises the steps of measuring and laying out, and performing horizontal control laying-out and elevation control laying-out; manufacturing a temporary steel pipe support, and rapidly erecting the temporary support by using a laser gradienter before superposed slabs and superposed beams are hoisted; hoisting the superposed beams and the superposed slabs in place, and adjusting and fixing the superposed beams and the superposed slabs; cleaning the surfaces of the superposed beams and the superposed slabs, and treating splicing seams and joints of the superposed slabs by using gridding cloth and expansive concrete; and after pipeline laying and rib arrangement are completed, erecting a limiting formwork, and pouring concrete. According to the construction method, the problem of cracking of the splicing seams of the superposed slabs is solved, a method for quickly adjusting the temporary support at the bottom of the superposed beams and the superposed slabs is provided, the construction efficiency is improved, the quality is easily guaranteed, the economic benefit and the social benefit are obvious, and the problems in the aspects of temporary support, lateral formworks, splicing seam cracking, finished product protection and the like are solved.

Description

technical field [0001] The invention relates to the technical field of construction of prefabricated buildings, in particular to a construction method for prefabricated composite beams and slabs. Background technique [0002] Prefabricated structure is the abbreviation of prefabricated concrete structure, which is a concrete structure that is assembled or connected with prefabricated components as the main force-bearing components. [0003] Prefabricated reinforced concrete structure is one of the important directions for the development of my country's building structure. It is conducive to the development of my country's building industrialization, improving production efficiency and saving energy, developing green and environmentally friendly buildings, and is conducive to improving and ensuring the quality of construction projects. Compared with the construction method, the prefabricated PC structure is conducive to green construction, because the prefabricated constructi...

Claims

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Application Information

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IPC IPC(8): E04B5/38E04C3/20E04G21/02E04G11/36E04G17/00
CPCE04B5/38E04C3/20E04G21/02E04G11/365E04G17/00
Inventor 张意华建民黄乐鹏李潇谢卓霖伍任雄段文川
Owner CHONGQING UNIV
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