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Post-cast strip wall formwork structure and construction method for advanced water stop of outer wall post-cast strip

A construction method and post-casting belt technology, which are applied in the fields of formwork/formwork/work frame, on-site preparation of building components, connection of formwork/formwork/work frame, etc., can solve the problem of basement structure and foundation pit support. Due to the short distance, the difficulty of brick-laying and closed construction, and the increase of cost, the effect of simple structure, short welding time and reduced cost of measures is achieved.

Pending Publication Date: 2022-07-29
中建五局第三建设(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual implementation process, often because the basement is deep and the distance between the basement structure and the foundation pit support is relatively close, it is difficult to close the construction by laying bricks
At the same time, in order to ensure the bonding effect between the waterproof layer and the brick building envelope, a plaster layer is generally added on the outside, resulting in increased costs and delayed progress

Method used

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  • Post-cast strip wall formwork structure and construction method for advanced water stop of outer wall post-cast strip
  • Post-cast strip wall formwork structure and construction method for advanced water stop of outer wall post-cast strip
  • Post-cast strip wall formwork structure and construction method for advanced water stop of outer wall post-cast strip

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Embodiment approach

[0066] As an embodiment, the waterproof layer 150 includes a polyurethane coating waterproof layer 151 and a self-adhesive membrane waterproof layer 152, and step S8 includes:

[0067] S81, the polyurethane coating waterproof layer 151 is covered on the outside of the concrete 500 and the steel cover plate 140,

[0068] S82, the self-adhesive membrane waterproof layer 152 is covered on the polyurethane coating film waterproof layer 151.

[0069] In the construction method of the above-mentioned outer wall post-casting with advanced water-stop, the pre-embedded steel plate 130 and the first water-stop screw 112 can be made in advance, and when the outer wall steel bars 111 are bound, the first water-stop screw 112 is welded to the outer shear wall steel bars. The upper part of 111 ensures that the concrete is not deviated during the concrete pouring process. The steel cover plate 140 and the embedded steel plate 130 are fully welded to ensure no water seepage. In this way, the...

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Abstract

The invention is suitable for the technical field of wall engineering, and provides a post-cast strip wall formwork structure and an outer wall post-cast strip advanced water stop construction method. The post-cast strip wall formwork structure comprises supporting assemblies, inner side formworks, embedded steel plates and steel cover plates, outer wall concrete is arranged on the left side and the right side of a post-cast strip, the supporting assemblies are fixedly arranged on the outer wall concrete on the two sides, and fast and easy closing-up nets or fish scale water stop pieces are arranged between the post-cast strip and the outer wall concrete; the inner sides of the embedded steel plates are welded to the supporting assembly and fixedly arranged on the outer side face of the outer wall concrete, and the embedded steel plates are located on the two sides of the post-cast strip. The inner sides of the two ends of the steel cover plate are welded to the outer sides of the embedded steel plates located on the two sides of the post-cast strip correspondingly, and the steel cover plate seals and covers an outer opening of the post-cast strip. And the waterproof layer is laid on the outer sides of the concrete and the steel cover plate. The structure is simple, the wall manufacturing period is greatly shortened, the labor cost is greatly saved, the problems of early closing difficulty and measure cost of the basement outer wall are solved, the closing progress is accelerated, and the construction period is shortened.

Description

technical field [0001] The invention belongs to the construction engineering technology, in particular to a construction method of a post-pouring zone wall support formwork structure and an outer wall post-pouring zone advanced water stop. Background technique [0002] In the construction process, the existence of the back-casting belt on the outer wall has a great influence on the waterproof quality of the outer wall and the progress of the backfilling of the fertilizer tank. The plane layout conversion can greatly speed up the overall construction progress, reduce the risk of external wall leakage, and bring greater benefits. [0003] At present, the technology that is relatively close to the present invention is that the post-casting zone of the outer wall adopts the method of bricklaying and sealing, so as to realize the advance insertion waterproofing and backfilling construction. In the actual implementation process, often because the depth of the basement is deep and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G11/08E04G17/065E04G17/075E04B1/68
CPCE04G11/08E04G17/065E04G17/075E04B1/6806
Inventor 徐朝范臻琳唐润佳姜海洋陈田山黄强
Owner 中建五局第三建设(深圳)有限公司
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