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Ground connecting wall flexible impervious body construction method and structure thereof

A technology of connecting a wall and an anti-seepage body, which is applied in the field of underground engineering construction and civil engineering, can solve problems such as gaps and water leakage, and achieve the effect of solving leakage, preventing leakage and having a simple structure.

Inactive Publication Date: 2016-04-20
华通轨道(天津)科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the usual treatment method is to use rotary jetting piles outside the ground connection wall, etc. However, due to various reasons in the construction, there will be gaps and water leakage in this treatment method after construction.

Method used

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  • Ground connecting wall flexible impervious body construction method and structure thereof
  • Ground connecting wall flexible impervious body construction method and structure thereof

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specific Embodiment

[0039] Measurement and setting out, on the site to be built, set out the line according to the design drawings, and determine the axis of the ground connection wall and the position of each groove section. According to the soil quality, set the construction parameters such as spray irrigation pressure and lifting speed, use the drilling rig to spray sodium-based bentonite into the soil, and mix it with the original soil evenly to form a composite soil pile. At the joint position of the ground connection wall, interlocking composite soil piles are applied along the thickness direction of the wall, and the interlocking between the two piles is 100-200mm to form a flexible composite soil anti-seepage body. The construction scope of the composite soil anti-seepage body: along the axis direction of the ground connection wall, the two sides of the joint extend 1m; along the wall thickness direction, there are 2 rows of piles outside the wall and 1 row of piles inside the wall; along ...

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Abstract

The invention provides a ground connecting wall flexible impervious body construction method and a structure thereof. A composite soil impervious body surrounds a joint seam position between two adjacent ground connecting walls in the structure, a guide wall at the joint seam position of the ground connecting wall is directly formed in the composite soil impervious body after the composite soil impervious body is formed; a construction method of the structure comprises: staking out in survey, i.e., determining the joint seam position of the ground connecting wall according to a standard of the ground connecting wall; forming mutually occluded composite soil piles along a thickness direction of the wall at the position to form a flexible composite soil impervious body; after construction of the composite soil impervious body is finished, constructing the guide wall and then constructing the grounding connecting wall. The ground connecting wall flexible impervious body construction method and the structure thereof have the beneficial effects that the flexible composite soil impervious body is firstly constructed, the guide wall is arranged on the flexible composite soil impervious body, the underground ground connecting wall is then constructed in the composite soil impervious body, and since the deformation of the composite soil impervious body and the ground connecting wall have well servo property, the problem of leakage of a joint seam of the current ground connecting wall is solved.

Description

technical field [0001] The invention belongs to the technical field of civil engineering and underground engineering construction, and in particular relates to a construction method for anti-seepage treatment of joints and seams of ground-connected walls and a corresponding anti-seepage body structure. Background technique [0002] As a structural measure, the underground diaphragm wall (referred to as "ground connection wall") is widely used in underground engineering in civil engineering, water conservancy, water transportation and municipal engineering. However, due to the controllability of construction and other reasons, water leakage often occurs in the ground connection wall. The usual treatment method at present is: apply rotary grouting piles etc. outside the ground connecting wall, but, because of various reasons of construction, this treatment method also has gaps after construction, and the situation of water leakage occurs. [0003] The present invention is dif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D31/02E02D31/04E02D29/16
CPCE02D31/02E02D29/16E02D31/04E02D2300/0037
Inventor 凌光荣
Owner 华通轨道(天津)科技发展有限公司
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