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Cut-off Ditch on Slope Surface and Its Design Method

A technology for intercepting drainage ditches and slopes, which is applied in the field of water and soil conservation, can solve the problems of unsatisfactory runoff control efficiency and soil erosion control effect, and achieve outstanding water and soil conservation effects, improve control efficiency, and block diffusion channels

Inactive Publication Date: 2018-09-28
CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, the control of slope runoff mostly focused on surface runoff and neglected the control of soil flow. Therefore, the efficiency of runoff control and soil erosion control is not ideal.

Method used

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  • Cut-off Ditch on Slope Surface and Its Design Method
  • Cut-off Ditch on Slope Surface and Its Design Method
  • Cut-off Ditch on Slope Surface and Its Design Method

Examples

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Effect test

Embodiment Construction

[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0025] Such as figure 1 , figure 2 As shown, a slope intercepting drainage ditch includes a water seepage layer 1, a ditch bottom layer 2 and a water intercepting layer 3, and the water seepage layer 1, the ditch bottom layer 2 and the water cutting layer 3 form a groove structure. The water seepage layer 1 is located on the left side of the ditch bottom layer 2, and the water intercepting layer 3 is located on the right side of the ditch bottom layer 2. The ditch bottom layer 2 is arranged at the lower part or bottom of the water seepage layer 1 and the water cutoff layer 3 . The water seepage layer 1, the ditch bottom layer 2 and the water cutoff layer 3 are buried in the soil layer 5, the water seepage layer 1 is located on the upslope, that is, on the left side; the water cutoff layer 3 is located on the downslope, that is, the right side. in such as ...

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Abstract

The invention discloses a novel slope water interception and drainage ditch and a design method thereof. The novel slope water interception and drainage ditch is characterized by comprising a seepage layer, a ditch bottom layer and a water interception layer, wherein the seepage layer, the ditch bottom layer and the water interception layer form a groove structure; the seepage layer is located on the left side of the ditch bottom layer; the water interception layer is located on the right side of the ditch bottom layer; the ditch bottom layer is arranged on the lower parts or bottom ends of the seepage layer and the water interception layer; the seepage layer is composed of a mesh cage and particle fillers; and the mesh cage is filled with the particle fillers. In the practical application, the seepage layer is arranged, interflow can be effectively drained, and surface erosion and the diffusion path of non-point source pollution are cut off; slope surface runoff and the interflow are rapidly collected, and the drainage of the slope runoff is increased, so that useless slope runoff can be changed into available water sources, and the utilization ratio of water source is improved.

Description

technical field [0001] The invention belongs to the field of water and soil conservation, and relates to a slope cutting drainage ditch and a design method thereof. Background technique [0002] The technical system and configuration mode of slope runoff control are hotspots and difficulties in the research fields of efficient utilization of slope runoff and slope soil erosion control. Judging from the research status at home and abroad, although the research on slope runoff regulation has made some progress in solving the problem of drinking water for humans and livestock in dryland areas and the development of dryland agricultural production, the layout and design of these regulation measures are limited. To a certain extent, it limits the promotion and application in actual production. In particular, the main erosive soil represented by weathered rock "purple soil" in the middle and upper reaches of the Yangtze River has the characteristics of a rock-soil dual structure ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B11/00
CPCE02B11/00
Inventor 张平仓胡波丁文峰李昊洁严冬春童晓霞孙蓓王奔潘晓颖
Owner CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
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