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A construction method for anti-leakage construction of basement post-pouring belt

A construction method and technology for basement, applied in the directions of products, coatings, segregates, etc., can solve the problems of affecting the pouring quality of post-casting belts, rusting of steel bars and water-stop steel plates, difficult to discharge and clean, etc. , The effect of avoiding steel corrosion and saving construction time

Active Publication Date: 2021-01-12
宁波市鄞州建筑有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during construction in some cities, due to the extremely rich local groundwater resources, when the foundation pit is super deep (more than 10m), the groundwater pressure is greater, and the existing post-pouring belt structure makes rainwater, groundwater, sediment and sand around the foundation pit Garbage etc. are easy to enter the main body of the foundation from the deformation joints of the outer wall, and gather in the post-casting belt of the bottom plate, which is difficult to discharge and clean up. It is easy to cause the steel bars and water-stop steel plates in the structure to be soaked in water and rust, which affects the pouring quality of the post-casting belt , after the construction of the post-pouring belt on the exterior wall, it is also prone to cracking and water leakage, which increases the construction cost and delays the construction period

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A basement post-pouring tape anti-leakage construction method, said method comprising:

[0043]Step 1. Install the exterior wall reinforcement and exterior wall formwork part of the basement, construct the fast and easy closing net, use concrete to pour the exterior wall reinforcement and formwork part, remove the formwork part, and carry out maintenance;

[0044] Step 2. Prepare the basement water stop board, wherein a number of two-way steel bars are pre-embedded in the water stop board, and the length of the water stop board is greater than the width of the post-casting strip;

[0045] Step 3. A waterproof coating is provided on the outer wall and water stop plate of the basement;

[0046] Step 4. Install the waterproof board on the outer wall and floor of the post-casting strip in the basement, and at the same time bind or weld the pre-embedded steel bars in the waterproof board and the steel bars on the outer wall of the basement;

[0047] Step 5. Use filler to fi...

Embodiment 2

[0074] A basement post-pouring tape anti-leakage construction method, said method comprising:

[0075] Step 1. Install the exterior wall reinforcement and exterior wall formwork part of the basement, construct the fast and easy closing net, use concrete to pour the exterior wall reinforcement and formwork part, remove the formwork part, and carry out maintenance;

[0076] Step 2. Prepare the basement water stop board, wherein a number of two-way steel bars are pre-embedded in the water stop board, and the length of the water stop board is greater than the width of the post-casting strip;

[0077] Step 3. A waterproof coating is provided on the outer wall and water stop plate of the basement;

[0078] Step 4. Install the waterproof board on the outer wall and floor of the post-casting strip in the basement, and at the same time bind or weld the pre-embedded steel bars in the waterproof board and the steel bars on the outer wall of the basement;

[0079] Step 5. Use filler to f...

Embodiment 3

[0106] A basement post-pouring tape anti-leakage construction method, said method comprising:

[0107] Step 1. Install the exterior wall reinforcement and exterior wall formwork part of the basement, construct the fast and easy closing net, use concrete to pour the exterior wall reinforcement and formwork part, remove the formwork part, and carry out maintenance;

[0108] Step 2. Prepare the basement water stop board, wherein a number of two-way steel bars are pre-embedded in the water stop board, and the length of the water stop board is greater than the width of the post-casting strip;

[0109] Step 3. A waterproof coating is provided on the outer wall and water stop plate of the basement;

[0110] Step 4. Install the waterproof board on the outer wall and floor of the post-casting strip in the basement, and at the same time bind or weld the pre-embedded steel bars in the waterproof board and the steel bars on the outer wall of the basement;

[0111] Step 5. Use filler to f...

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Abstract

The invention relates to the field of building construction, in particular to an anti-leakage construction method for a post-cast strip of a basement. The anti-leakage construction method for the post-cast strip of the basement includes the steps of step 1, installing outer wall steel bars and an outer wall formwork part of the basement, and constructing a fast-easy setback grid; step 2, preparingwater stop plates of the basement; step 3, arranging waterproof coatings on the outer walls and the water stop plates of the basement; step 4, installing the water stop plates on the outer walls anda bottom plate of the post-cast strip of the basement, and binding or welding steel bars embedded in the water stop plates and the outer wall steel bars of the basement; step 5, filling the gaps of the installed water stop plates with a filler for filling and leveling up treatment; step 6, coating the surfaces of the water stop plates with waterproof mortar, and manufacturing inner corner parts into an arc angle shape; and 7, carrying out integral waterproof construction on the outer walls of the basement, repairing the gaps, arranging protective layers on the outer sides of the waterproof coatings, then carrying out backfilling, and completing anti-leakage construction of the post-cast strip of the basement.

Description

technical field [0001] The invention relates to the field of building construction, in particular to an anti-leakage construction method for basement post-cast belts. Background technique [0002] In order to prevent harmful cracks in the cast-in-place reinforced concrete structure due to uneven shrinkage or uneven settlement during construction, according to the requirements of the design or construction specifications, it is necessary to leave post-cast strips at the corresponding positions of the basement floor and exterior walls. However, during construction in some cities, due to the extremely rich local groundwater resources, when the foundation pit is super deep (more than 10m), the groundwater pressure will be greater, and the existing post-pouring belt structure makes rainwater, groundwater, sediment and sand around the foundation pit Garbage etc. are easy to enter the main body of the foundation from the deformation joints of the outer wall, and gather in the post-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/68C09D143/04C09D163/00C09D131/04C09D7/61C09D7/65
CPCC08L2205/035C09D143/04C09D7/61C09D7/65E04B1/6806C08L63/00C08L31/04C08L75/04C08L23/16C08K3/346Y02P20/141
Inventor 王剑波梁江蔡春维方名扬徐挺张浩竹锐利
Owner 宁波市鄞州建筑有限公司
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