Waterstop structure of top rubber of impermeable wall and construction method thereof

A technology of rubber water stop and construction method, which is applied in the direction of foundation structure engineering, sheet pile walls, buildings, etc., can solve problems such as mutual leakage, achieve the effect of avoiding mutual leakage and ensuring seepage stability

Pending Publication Date: 2019-10-22
SINOHYDRO BUREAU 5
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a rubber water-stop structure on the top of the cut-off wall and its construction method to solve the problem of mutual leakage of groundwater between the two sides of the cut-off wall

Method used

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  • Waterstop structure of top rubber of impermeable wall and construction method thereof
  • Waterstop structure of top rubber of impermeable wall and construction method thereof
  • Waterstop structure of top rubber of impermeable wall and construction method thereof

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] Such as figure 1 and figure 2 As shown, the rubber waterstop structure at the top of the cutoff wall in the present invention is specifically: a rubber waterstop 2 is vertically arranged in the slot 3 of the cutoff concrete 4, and the rubber waterstop 2 extends to the upper structure Concrete 1; the slots 3 of the anti-seepage concrete 4 have the following fillers in sequence: the lower micro-expansion mortar 7 of the lower layer, the water-swellable water-stop strip 6 of the middle layer and the upper micro-expansion mortar 5 of the upper layer.

[0028] According to the example of the above-mentioned rubber water-stop structure on the top of the cut-off wall, the following construction methods can be used to form the above-mentioned rubber water-stop structure on the top of the cut-off wall:

[0029] 1. Cut off the contami...

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Abstract

The invention discloses a waterstop structure of top rubber of an impermeable wall and a construction method thereof. The waterstop structure of top rubber of the impermeable wall is structured such that a rubber waterstop strip (2) is vertically arranged in a slot hole (3) of impervious concrete (4) and the rubber waterstop strip (2) stretches to upper structural concrete (1); and following filler is successively arranged in the slot hole (3) of the impervious concrete (4): lower micro-expanded mortar (7) in a lower layer, a water expandable waterstop strip (6) in a middle layer and upper micro-expanded mortar (5) in an upper layer. The waterstop structure can solve a waterstop problem between the lower impervious concrete (4) and follow-up pouring structure concrete (1) well, and can avoid inter-leakage between two sides of the impermeable wall, so that the permeable stability of foundations on two sides is guaranteed.

Description

technical field [0001] The invention relates to the fields of foundation anti-seepage structures such as water conservancy and hydropower projects, municipal engineering, and traffic engineering, in particular to a rubber water-stop structure at the top of an anti-seepage wall and a construction method thereof. Background technique [0002] The underground diaphragm wall, referred to as the ground connection wall, is a commonly used method for foundation engineering treatment, mainly to solve the problem of anti-seepage of the foundation and increase the strength of the foundation. Commonly used underground trenching construction equipment includes down-the-hole drilling, hydraulic washing and hydraulic grabs. [0003] According to the different functions of the design, the technical indicators such as the type and strength of the concrete to be poured are also different, and plastic concrete and ordinary concrete are commonly used. When the design purpose is mainly anti-se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/18E02D31/02
CPCE02D5/18E02D31/02
Inventor 万山红唐秋君
Owner SINOHYDRO BUREAU 5
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