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Composite anti-seepage structure for culvert gate and its construction method

A construction method and technology for culverts and sluices, which are applied to the seepage-proof structure of culverts and sluices and their construction fields, can solve problems such as shear damage, and achieve the effects of reduced cost, strong resistance to uneven settlement, and low cost.

Inactive Publication Date: 2019-09-27
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem solved by the present invention is: the bedding and the sluice foundation are very prone to shear failure due to uneven settlement, and a closed composite geomembrane anti-seepage system is installed at the connection between the bedding and the sluice foundation, and the composite geomembrane is used High ductility and high anti-seepage performance, when there are cracks in the pavement due to uneven settlement, the composite geomembrane can still continue to work to protect the normal operation of the anti-seepage system

Method used

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  • Composite anti-seepage structure for culvert gate and its construction method
  • Composite anti-seepage structure for culvert gate and its construction method

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Embodiment Construction

[0041] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0042] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0043] The present invention will be further described below. This structure can be used to protect the anti-seepa...

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Abstract

The invention discloses a combined anti-seepage structure for a culvert and a construction method thereof. The combined anti-seepage structure for the culvert and the construction method thereof are used for resisting seepage of the culvert and protecting a self anti-seepage system. The anti-seepage system comprises an original anti-seepage structure, a concrete or clay bedding, an anti-seepage structure protection system and a composite geomembrane structure; the adopted main technical scheme is that, a composite geomembrane is paved between a culvert foundation and an upstream anti-seepage bedding, the geomembrane is in seal connection with the bedding and a bottom plate in the horizontal direction, and paved in a stair shape in the perpendicular direction, so that a remaining width for jointly deformation of a membrane and a soil mass is reserved on the geomembrane, and an anti-seepage defense is formed at the joint of the bedding and a gate foundation. The composite geomembrane still can be normally used for preventing seepage when the bedding cracks due to unevenness and settlement.

Description

technical field [0001] The invention relates to a combined anti-seepage structure, in particular to a culvert gate anti-seepage structure and a construction method thereof. Background technique [0002] The culvert sluice is a structural form widely used in water conservancy projects, mainly including the bedding in front of the sluice, the sluice chamber and the culvert. The bedding in front of the lock chamber can increase the length of the seepage path and reduce the slope. There are usually two types of bedding: concrete bedding and clay bedding. In practical applications, due to the large mass of the lock chamber itself and the thrust of the embankment filling on the lock chamber, uneven settlement often occurs at the joint between the lock chamber bottom plate and the bedding. Engineering experience shows that the accumulative uneven settlement of culvert sluice chambers built on the Yellow River 20 years ago is generally between 10 and 20 cm, which exceeds the allowa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B7/54
Inventor 潘维宗岳娟彭京张开来彭国强
Owner SHANDONG UNIV
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