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Gabion arch ecological flexible debris flow blocking dam and building method thereof

A debris flow and gabion technology, applied in the field of arched ecological flexible debris flow retaining dams, can solve the problems of difficulty in reducing the impact force of debris flow, small allowable deformation, and difficulty in quick release, etc., and achieve good deformation adaptability, reasonable mechanical design, and low cost Effect

Active Publication Date: 2014-11-26
NANJING HYDRAULIC RES INST +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of commonly used rigid retaining dams, such as difficulty in quickly releasing debris flow mud pressure, small allowable deformation, difficulty in reducing the impact force of debris flow, and anti-weathering and anti-aging capabilities, this invention proposes a gabion arch ecological flexible debris flow retaining dam

Method used

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  • Gabion arch ecological flexible debris flow blocking dam and building method thereof
  • Gabion arch ecological flexible debris flow blocking dam and building method thereof
  • Gabion arch ecological flexible debris flow blocking dam and building method thereof

Examples

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Embodiment 1

[0041] Embodiment 1, gabion arch ecological flexible debris flow retaining dam. exist figure 1 In the shown embodiment, after the foundation 1 and the bank slope 2 have been excavated, the gabion net 3 is laid from the base, and the waste tires 5 filled with slope soil and the waste tires 5 filled with slope soil are respectively laid on the upstream and downstream sides of the gabion net 3. The ecological bag 6 of the soil is arranged between the upper and lower layers of the waste tire 5 filled with slope accumulation soil and between the upper and lower layers of the ecological bag 6 of filling slope accumulation soil, and plants 7 such as small anchor rods and vetiver grass are arranged, and the roots are inward and the tips are outward. , throw and fill gravel 8 in the space between the waste tire 5 of filling slope accumulation soil and the ecological bag 6 of filling slope accumulation soil, a gabion is done like this. Adjacent gabions are bound and connected with galv...

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Abstract

The invention provides a gabion arch ecological flexible debris flow blocking dam and a building method of the gabion arch ecological flexible debris flow blocking dam. The gabion arch ecological flexible debris flow blocking dam is an arch-shaped blocking dam. According to the structure of the gabion arch ecological flexible debris flow blocking dam, gabion box pieces filled with rock ballast are stacked and piled on a foundation, and the gabion box pieces are bound, so that the integrality of the whole blocking dam structure is improved; waste tires filled with clinosol layer by layer are horizontally laid on the upstream face of the inner side of the gabion box pieces; ecological bags filled with clinosol layer by layer are piled on the downstream face of the inner side of the gabion box pieces; the areas between the waste tires and the ecological bags are filled with rock ballast which is compacted through vibrating. According to an optimal scheme, vegetation is placed in soil between layers of the waste tires and the ecological bags on the upstream side and the downstream side of the gabion arch blocking dam through cuttage, the plant anchor rod function and the ecological surface protection function are achieved, and then the gabion arch ecological flexible debris flow blocking dam is formed. The gabion arch ecological flexible debris flow blocking dam has the advantages that the mechanical design is reasonable, the construction technology is simple, cost is low, popularization is easy, the gabion arch ecological flexible debris flow blocking dam can replace a masonry blocking dam and a concrete dam which are prone to damage, and a debris flow disaster can be effectively prevented and handled.

Description

technical field [0001] The invention relates to an arch ecological flexible mud-rock flow retaining dam composed of gabion nets, waste tires and ecological bags in a mud-rock flow prevention project. The invention also relates to the gabion arch ecological flexible debris flow retaining dam and its construction method. The invention is especially suitable for retaining and storing the collapsed slope deposits in the source area of ​​medium and small-scale debris flow, and for blocking the debris flow in the circulation area. This invention overcomes the shortcomings of traditional hard retaining dams such as masonry and concrete retaining dams, better solves the problems of poor water permeability, impact resistance and insufficient durability of existing debris flow retaining structures, and realizes the protection of debris flow retaining structures and ecological protection. Organic combination of protection. [0002] The project of this invention is supported by the Mini...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B3/10E02B7/12
Inventor 陈生水周成徐惠民何宁苏洁张桂荣陈群程大鹏费宗如吴颖韩利彪刘伟
Owner NANJING HYDRAULIC RES INST
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