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Light steel framework sandwich heat-insulating concrete composite wall body formwork shell and preparation technique thereof

A technology for thermal insulation concrete and composite walls, which is applied in the direction of thermal insulation, walls, and building components. It can solve the problems of large water vapor evaporation, easy gaps, and poor cast-in-place quality, and achieve simple preparation effects, prevent water vapor transpiration, and use The effect of simple and convenient process

Pending Publication Date: 2018-07-13
杨红领
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a new cast-in-place integrated mold and its wall in order to solve the above-mentioned problems of large water vapor evaporation, fast evaporation, poor cast-in-place quality and prone to gaps during the construction process of the existing wall. The preparation process of the body has the advantages of integral pouring of the insulation layer and other composite layers, and the airtight chamber can effectively prevent water vapor from evaporating.

Method used

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  • Light steel framework sandwich heat-insulating concrete composite wall body formwork shell and preparation technique thereof
  • Light steel framework sandwich heat-insulating concrete composite wall body formwork shell and preparation technique thereof
  • Light steel framework sandwich heat-insulating concrete composite wall body formwork shell and preparation technique thereof

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Experimental program
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Effect test

Embodiment 1

[0034] Embodiment 1, with reference to Figure 1-3 , a light steel skeleton sandwich thermal insulation concrete composite formwork, comprising a hollow formwork main body, an insulation laminate 7 is clamped in the inner cavity of the formwork main body, and the insulation laminate separates the inner cavity of the formwork main body from front to back into The load-bearing cavity a and the protective layer cavity b, the load-bearing cavity a and the protective layer cavity b are injected with concrete to form a load-bearing layer and a protective layer in one-to-one correspondence, and the load-bearing layer, the insulation layer plate 7, and the protective layer are formed side by side in sequence Composite walls. A reinforcement grid is provided in the load-bearing layer, and a plurality of transverse reinforcement bars 11 are arranged side by side in the protective layer, and both the reinforcement grid and the lateral reinforcement bars 11 are fixedly connected to the ma...

Embodiment 2

[0038] Embodiment 2, a preparation process for a formwork-free concrete wall, comprising the above-mentioned light steel skeleton sandwich insulation concrete composite wall formwork, which includes the following steps,

[0039] ① Configure concrete, configure the concrete raw materials to obtain high fluidity concrete;

[0040] ② Set up the sandwich, select multiple wall formwork shells and insert the insulation laminate 7 into each wall formwork shell, insert a tensile steel bar 4 into each arched groove, and pass through the load-bearing cavity. Insert the anti-seismic steel bar 5, the tensile steel bar 4 and the anti-seismic steel bar 5 are wound to form a steel bar grid, and penetrate the fixed transverse steel bar in the protective layer cavity;

[0041] ③Fix the mould, arrange multiple wall formworks in the horizontal direction, and the front and back adjacent wall formworks are nested and docked by folding to form a continuous wall skeleton, so that the load-bearing ca...

Embodiment 3

[0043] Embodiment 3, a preparation process of a formwork-free concrete wall, comprising the above-mentioned light steel skeleton sandwich insulation concrete composite wall formwork, which includes the following steps,

[0044] ① Configure concrete, configure the concrete raw materials to obtain high fluidity concrete;

[0045] ② Set up the sandwich, select multiple wall formwork shells and insert the insulation laminate 7 into each wall formwork shell, insert a tensile steel bar 4 into each arched groove, and pass through the load-bearing cavity. Insert the anti-seismic steel bar 5, the tensile steel bar 4 and the anti-seismic steel bar 5 are wound to form a steel bar grid, and penetrate the fixed transverse steel bar in the protective layer cavity;

[0046] ③Fix the mould, arrange multiple wall formworks in the horizontal direction, and the front and back adjacent wall formworks are nested and docked by folding to form a continuous wall skeleton, so that the load-bearing cav...

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Abstract

The invention discloses a light steel framework sandwich heat-insulating concrete composite wall body formwork shell and a preparation technique thereof and discloses a non-dismounting mold capable ofnot being dismounted and provided with a heat-insulating layer and a concrete layer which can make direct contact to be solidified into an integrated wall body. By designing a clamped heat-insulatinglayer structure, in the solidifying process, concrete makes direct contact with the heat-insulating layer, cavities in the two sides are isolated, and have the good re-splicing function , the using process is simple and convenient, and the cast-in-situ wall body quality is greatly improved.

Description

technical field [0001] The invention relates to the field of construction devices, in particular to a formwork for a composite wall body of light steel skeleton sandwich heat-preservation concrete and a preparation process thereof. Background technique [0002] The traditional cast-in-place sandwich insulation concrete wall requires formwork to be installed on site, which requires heavy workload and cumbersome construction, which does not conform to the green and environmental protection construction concept. They are all prefabricated and assembled. Now, the general prefabricated concrete wall PC is prefabricated in the factory as a whole, and then transported to the site for installation. Due to the large size and weight of the wall components, it is difficult to hoist and transport. The quality of the connection is not as good as cast-in-place, there are gaps, there are hidden dangers of water leakage, and the integrity and earthquake resistance of the wall are poor. Comp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B2/86E04B1/80
CPCE04B1/80E04B2/86
Inventor 杨红领
Owner 杨红领
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