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A concrete post-cast belt air mold

A technology of post-casting strips and concrete, which is applied in the field preparation of formwork/formwork/work frame, building components, construction, etc. It can solve the problems of difficult handling, easy to break, and increase the labor intensity of construction workers, achieving Easy to disassemble and reduce working intensity

Active Publication Date: 2018-08-03
SHANDONG BOYUAN COMPOSITE MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The steel bars in the gaps of the existing post-casting belts adopt lap joints or straight-through bending methods to support the formwork, and the gaps between the steel bars are filled with wooden squares. Leaving the wooden square is easy to break, but it is very difficult to deal with, which invisibly increases the labor intensity of the construction workers. This problem needs to be solved urgently

Method used

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  • A concrete post-cast belt air mold
  • A concrete post-cast belt air mold
  • A concrete post-cast belt air mold

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with accompanying drawings and examples of implementation. This embodiment includes an air mold 1, and the material of the air mold 1 is thermoplastic soft plastic or rubber. The material of the air mold 1 is preferably CPVC, PVC, neoprene, PP, PE, polypropylene plastic, polybutene plastic, and the air mold 1 is formed by sealing the side of a thermoplastic soft plastic or a rubber sheet through structural glue. Both ends of the air mold 1 are sealed, and the air mold 1 is provided with an air valve 2 for charging and deflated in the air mold 1 . After inflation, the air mold 1 is a cylindrical structure. The bottom of air mold 1 is circular or oval. The air valve 2 is connected with a quick connector 3, which is convenient for inflation and deflation. The concrete post-casting belt air mold forms a mold with certain strength, toughness and rigidity after inflating. After deflation, the volume becom...

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Abstract

The invention relates to a concrete post-cast strip air mold.The concrete post-cast strip air mold comprises an air mold body, wherein two ends of the air mold body are sealed, and an air valve for inflation and deflation of the air mold is arranged on the air mold.The air mold is a concrete mold suitable for a concrete post-cast strip or other narrow construction spaces, has a certain strength, toughness and rigidity after being inflated and is filled in a steel bar gap of the post-cast strip to replace a batten difficult to dismount.After sedimentation of a high-rise building and a skirt building and temperature shrinkage of newly-cast concrete in the hardening process are completed, air release is performed, the size of the air mold becomes small and soft, the air mold is taken out, and then construction joint concrete is cast and mashed.The concrete post-cast strip air mold is convenient to dismount, the working intensity of construction workers is greatly reduced, and the concrete post-cast strip air mold is an urgently needed device in the existing building construction process and is worthy of popularization.

Description

(1) Technical field [0001] The invention relates to building construction, in particular to a concrete post-cast belt air mold. (2) Background technology [0002] The post-pouring belt is a temporary part set at the corresponding positions of the foundation floor, wall and beam in order to prevent the harmful cracks that may occur in the cast-in-place reinforced concrete structure due to uneven shrinkage or uneven settlement during construction. construction joints. [0003] The post-pouring belt temporarily divides the structure into several parts, and after a certain period of time, the construction joint concrete is poured and tamped after the internal contraction of the components to connect the structure into a whole. The steel bars in the gaps of the existing post-casting belts adopt lap joints or straight-through bending methods to support the formwork, and the gaps between the steel bars are filled with wooden squares. Deeding the wooden square is easy to break and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G13/00
CPCE04G13/00
Inventor 刘伯敏
Owner SHANDONG BOYUAN COMPOSITE MATERIALS TECH CO LTD
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