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The structure and construction method of the water-stop curtain on the side wall of the foundation pit of the side slope of the main canal treated by filling method

A technology for water-stop curtains and main canals, applied in infrastructure engineering, drainage structures, water/sewage treatment, etc., to achieve the effect of convenient processing

Active Publication Date: 2020-10-30
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the defects and deficiencies in the prior art, the present invention provides a structure and construction method for treating the water-stop curtain on the side wall of the side slope foundation pit of the main canal by filling method. Urban main canals and urban underground drainage pipes are used to build urban infrastructure foundation pit water-stop curtain structures, which can effectively realize the water-stop and waterproof of deep foundation pits, ensure the safety of deep foundation pits, improve construction progress and quality, and reduce construction costs. To overcome the problem of lack of resources in Northwest China

Method used

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  • The structure and construction method of the water-stop curtain on the side wall of the foundation pit of the side slope of the main canal treated by filling method
  • The structure and construction method of the water-stop curtain on the side wall of the foundation pit of the side slope of the main canal treated by filling method
  • The structure and construction method of the water-stop curtain on the side wall of the foundation pit of the side slope of the main canal treated by filling method

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Effect test

Embodiment 1

[0029] Such as Figure 1 to Figure 4 As shown, a kind of filling method of the present invention handles the structure of the water-stop curtain on the side wall of the foundation pit of the side slope of the main canal. The structure of the water-stop curtain also includes a support structure and an isolation and precipitation structure; the outer side of the dike 1 is provided with a steel sheet pile water-stop curtain 3 formed by interlocking steel sheet piles of a "C" structure arranged in sequence. The steel sheet pile with "C" structure has good waterproof and water-stop effects, and can be reused to effectively reduce the construction cost; the outer side of the steel sheet pile water-proof curtain 3 is provided with a waterproof layer 2, and the inner side is provided with the support structure , the support structure includes a number of support piles 4 arranged in the embankment 1 and corresponding to the steel sheet pile water-stop curtain 3, and a support rod is re...

Embodiment 2

[0038] Such as Figure 1 to Figure 4 Shown, the construction method of the structure of the water-stop curtain of main canal side slope foundation pit sidewall water-stop curtain is handled by replacement method described in a kind of embodiment 1, and this method comprises the steps:

[0039] 1) The construction operation surface is formed at the junction of the urban main canal and the urban infrastructure foundation to be constructed inside the main canal, that is, the construction operation surface is leveled on the top of the embankment 1, and then the outer side of the embankment 1 is filled. Bury and backfill clay to form a waterproof layer 2;

[0040] 2) Firstly drive in the steel sheet piles of "C" structure at the outer edge of the embankment 1 in sequence, each steel sheet pile interlocks to form the steel sheet pile water-stop curtain 3, and then the embankment inside the steel sheet pile water-stop curtain 3 Each support pile 4 is driven into the road 1, and the so...

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Abstract

The invention discloses a structure for processing a main canal slope foundation pit side wall water-stop curtain by a replacement method and a construction method thereof. The structure comprises a cofferdam road, a supporting structure and an isolation and water reduction structure, wherein the cofferdam road is provided with a steel plate pile water-stop curtain in a position near the edge of an urban main canal and an urban underground water discharge pipe; a backfilling clay layer is arranged at the outer side of a steel plate pile; a waterproof layer is formed; the supporting structure is arranged at the inner side of the steel plate pile, and is characterized in that H-shaped steel is arranged at one end of a support rod; the H-shaped steel is arranged at the upper end of the steelplate pile; a gasket is arranged at the other end, and is arranged at the upper end of the support pile; and the isolation and water reduction structure consists of a filtering layer, waterproof geotechnical cloth, a soft water filtering pipe, a water collecting well, ash soil and an HDPE pipe. The water-stop and waterproof effects of a deep foundation pit can be effectively realized; the safety of the deep foundation pit is ensured; meanwhile, the construction progress and the construction quality are improved; the construction cost is reduced; and the problem of resource lack of constructionplaces can be effectively solved.

Description

technical field [0001] The invention belongs to the technical field of civil construction, and more specifically, relates to a structure and construction method of a water-stop curtain for treating the side wall of a main canal slope foundation pit by a filling method, and especially relates to a filling method for treating an urban main canal slope foundation pit The structure and construction method of the side wall waterproof curtain. Background technique [0002] In the construction of urban infrastructure, it is often encountered in the construction of urban main canals and urban underground drainage pipes. There are many urban infrastructure constructions, and different infrastructures are constructed in different locations, facing different geological and topographical structures. For example, during the construction of urban infrastructure in the vast Northwest Gobi Desert, some deep foundation pits were built along the coast of urban canals and urban underground dra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E03F3/06E02D19/18E03F3/04E03F5/14E03F5/04
CPCY02A30/60
Inventor 丁荣华廖明生代鹏鹏
Owner CHINA MCC17 GRP