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A structure and construction method of basement post-pouring belt

A post-cast belt and basement technology, which is applied in the field of construction and post-cast belt, can solve the problems of complex environment, thick bottom plate and dense steel bars of the post-cast belt, so as to simplify the construction process, reduce grout leakage and water seepage, and improve The effect of construction efficiency

Active Publication Date: 2018-04-20
CHINA CONSTR FOURTH ENG DIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The post-pouring belt located at the basement floor is quite troublesome to construct due to the large thickness of the floor, dense steel bars, complex environment, and waterproof requirements. , will have adverse effects on the function of the project and the quality of the project

Method used

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  • A structure and construction method of basement post-pouring belt
  • A structure and construction method of basement post-pouring belt
  • A structure and construction method of basement post-pouring belt

Examples

Experimental program
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Effect test

Embodiment

[0024] The specific construction steps are as follows:

[0025] (1) Laying out on the underlayment:

[0026] The cushion layer 2 at the post-pouring belt of the basement floor is a concrete cushion, and the width of the cushion layer 2 is 300mm wider than both sides of the post-casting belt 1. Before the reinforcement of the bottom plate 4 is tied, the position should be marked according to the design drawing, and the position line of the post-pouring tape should be popped up on the cushion layer or waterproof protection layer.

[0027] (2) Construction of mortar strips on both sides of the post-pouring belt:

[0028] The mortar strips 3 on both sides of the post-casting belt need to be constructed before the bottom plate reinforcement 4 is bound, and the size of the mortar strips is 40×40mm. Before the construction of the mortar strip, the position line of the mortar strip should be popped up on the cushion layer or the waterproof protection layer to ensure that the mortar ...

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Abstract

The invention discloses a structure and a construction method of a basement post-cast belt. The structure of the invention includes a cushion layer (2) arranged at the bottom of the post-cast belt (1). Both sides of the belt are respectively provided with a lower-layer shaped mesh (5), which is vertically arranged; the top of the lower-layer shaped mesh is provided with a water-stop steel plate (7), and the water-stop steel plate is supported on the cushion by a bracket (8) and is connected with the The steel mesh of the bottom plate is welded or bound; the upper surface of the water-stop steel plate is provided with an upper-layer shaped mesh (9), and the upper-layer shaped mesh is vertically arranged. The present invention combines the support for fixing the water-stop steel plate, the lower-layer shaping net and the steel bar of the bottom plate into one body, which can be installed in place at one time during construction, which greatly improves the construction efficiency and reduces the phenomenon of slurry leakage and water seepage: the dense-mesh steel wire mesh of the present invention or fast The easy-closing net is first fixed on the frame to form a shaped mesh, which is not only convenient for binding but also improves the strength of the shaped mesh.

Description

technical field [0001] The invention relates to a structure and a construction method of a post-cast strip in a basement, and belongs to the technical field of post-cast strips in the construction field. Background technique [0002] The post-pouring belt is a temporary construction joint set at the corresponding position of the foundation floor, wall or beam in order to prevent the harmful cracks that may occur in the cast-in-place reinforced concrete structure due to uneven temperature and shrinkage during construction. The structure is temporarily divided into several parts. After a certain period of internal contraction of the components, pour and tamp the construction joint concrete to connect the structure into a whole. The post-pouring belt located at the basement floor is quite troublesome to construct due to the large thickness of the floor, dense steel bars, complex environment, and waterproof requirements. , will have adverse effects on the function of the projec...

Claims

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Application Information

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IPC IPC(8): E02D29/16
Inventor 徐伟漆俊
Owner CHINA CONSTR FOURTH ENG DIV
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