Retaining dam structure for gully or river channel in water-power engineering

A technology for hydropower engineering and retaining dams, applied in water conservancy projects, dams, barrages, etc., can solve the problems of increased investment, large amount of engineering, complicated procedures, etc., and achieve the effect of simplifying the structure, prolonging the seepage diameter, and reducing the production cost.

Active Publication Date: 2014-09-17
CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE
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AI Technical Summary

Problems solved by technology

If the retaining dam is arranged on a gully with deep overburden, in order to reduce the seepage of the retaining dam foundation and improve its seepage stability, it is necessary to adopt vertical anti-seepage for the seepage prevention of the retaining dam foundation, such as cut-off walls, grouting curtains, etc. , or horizontal anti-seepage such as anti-seepage bedding, and generally arranged on the upstream side outside the retaining dam, the process is complicated, the project volume is large, and the construction period is long, which eventually leads to an increase in investment

Method used

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  • Retaining dam structure for gully or river channel in water-power engineering

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Embodiment Construction

[0017] Such as figure 1 Shown is a dam structure with simple structure and low investment cost used in hydropower project gullies or river courses provided by the present invention. The retaining dam structure includes a retaining dam base 1 formed by stacking gravel materials. The projection of the retaining dam base 1 in its cross section is a trapezoidal structure, and the water-facing surface of the retaining dam base 1 of the trapezoidal structure A fixed layer 2 and a slope anti-leakage layer 3 are sequentially arranged on the slope from outside to inside. Since the retaining dam base 1 constituting the retaining dam structure is formed by stacking gravel materials, then on the slope of the water-facing surface of the retaining dam base 1 formed by stacking gravel materials, fixed Layer 2 and slope anti-seepage layer 3. Thereby effectively simplifying the structure of the retaining dam, further simplifying the construction procedure, shortening the construction period ...

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Abstract

The invention discloses a retaining dam structure, particularly discloses a retaining dam structure for a gully or a river channel in water-power engineering, and belongs to the technical field of water conservancy project auxiliary building design and manufacture. The retaining dam structure for the gully or the river channel in water-power engineering is simple in structure and low in investment cost and comprises a retaining dam base body formed by stacking rock ballast materials. A projection of the cross section of the retaining dam base body is of a trapezoidal structure. A fixing layer and a slope anti-seepage layer are sequentially arranged on an upstream face slope of the retaining dam base body of the trapezoidal structure from outside to inside.

Description

technical field [0001] The invention relates to a water-retaining dam structure, in particular to a water-retaining dam structure used for gullies or river courses of hydropower projects, and belongs to the technical field of hydraulic engineering auxiliary building design and manufacture. Background technique [0002] At present, in hydropower and water conservancy projects, especially in the alpine and valley areas, the available construction sites are very limited, so gullies or small rivers around the project are often used to arrange slag yards, processing plants, camps, etc. Construction auxiliary facilities, so it is necessary to take engineering treatment measures for gully water. Ditch water treatment projects are usually composed of retaining dams and drainage structures, and the scale is generally small. If the retaining dam is arranged on a gully with deep overburden, in order to reduce the seepage of the retaining dam foundation and improve its seepage stabilit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B7/06E02B3/16
Inventor 王小波雷运华付峥冯菊程宝根蒲建平汤雷
Owner CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE
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