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Method for reducing concrete diffusion of continuous wall

A technology of concrete and underground diaphragm walls, applied in water conservancy projects, artificial islands, underwater structures, etc., can solve problems such as waste of concrete and affecting the quality of underground diaphragm walls, and achieve the effect of reducing diffusion

Inactive Publication Date: 2013-04-10
GUANGDONG FOUND ENG GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] If the weak surface connecting with the underground diaphragm wall is not specially treated, it will easily cause a lot of waste of concrete, and at the same time affect the quality of the underground diaphragm wall

Method used

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  • Method for reducing concrete diffusion of continuous wall
  • Method for reducing concrete diffusion of continuous wall

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Embodiment Construction

[0018] refer to figure 1 , figure 2 , the present invention is a kind of method that reduces the concrete diffusion of continuous wall, is characterized in that, comprises the following steps:

[0019] 1) Find out the weak interface 2 connecting with the underground diaphragm wall 1 under construction, and specify or estimate the range of the weak interface 2;

[0020] 2) Bind barbed wire 5 on the reinforcement mesh sheet 3 of the underground diaphragm wall 1 adjacent to the weak interface 2;

[0021] 3), binding cloth strips 6 on the panel of the barbed wire 5;

[0022] 4), filling sandbags 4 in the weak interface 2;

[0023] 5) Pour concrete at the construction position of the underground diaphragm wall 1 .

[0024] In this method of reducing concrete diffusion during the construction of the underground diaphragm wall, sand bags 4 are filled in the weak interface 2 adjacent to the underground diaphragm wall, and the underground diaphragm wall 1 is secured by binding bar...

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Abstract

The invention discloses a method for reducing concrete diffusion of a continuous wall. In the construction process of an underground continuous wall, the method for reducing concrete diffusion of the underground continuous wall comprises the steps of: filling sand bags in a soft interface adjacent to the underground continuous wall; and separating the underground continuous wall from the soft interface by binding iron wire meshes and cloth strips on a bar-mat reinforcement piece. Under the double effect of back pressure provided by the filled sand bags and separation of the concrete by the iron wire meshes and cloth strips, concrete diffusion in the construction process of the underground continuous wall can be effectively reduced. The method provided by the invention is applied to the field of building operations.

Description

technical field [0001] The invention relates to a building construction method, in particular to a construction method of an underground continuous wall. Background technique [0002] Due to the advantages of high rigidity, good waterproof performance and high safety, the underground diaphragm wall is widely used in foundation pit support engineering. In the construction of the underground diaphragm wall, old foundations and piles of old enclosure structures are often encountered, and the formal construction can only be carried out after the old foundations have been treated first. This type of construction usually results in local expansion of the trough of the underground diaphragm wall, forming a weak surface, and often encounters soil caves, karst caves, and holes in civil air defense projects. The volume is large, and these parts are weak bodies for the underwater concrete of the underground diaphragm wall, and they are the objects that the concrete is easy to invade. ...

Claims

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Application Information

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IPC IPC(8): E02D29/02
Inventor 苏培奇郭军强梁修坤周育军李云锋
Owner GUANGDONG FOUND ENG GRP CO LTD
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