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A slope shallow drainage system

A drainage system and slope technology, applied in waterway systems, sewage removal, soil drainage, etc., can solve the problems of a small number of drainage pipes, inability to discharge rainfall and infiltration of groundwater in time, affecting the drainage effect of the slope body, etc., to prevent scouring. Effect

Inactive Publication Date: 2011-12-28
CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this construction method is that due to the small number of drainage pipes in the drainage system, the groundwater that has infiltrated into the slope body due to rainfall cannot be discharged in time, which seriously affects the drainage effect in the slope body and easily causes slope instability and damage.

Method used

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  • A slope shallow drainage system
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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] see figure 1 with figure 2 , the bottom platform of the side slope 6 is provided with drainage ditches 4, on the side slope 6, rows and rows of drainage boreholes 1 are densely arranged, the upper and lower rows of drainage boreholes 1 are staggered, and the drainage holes 1 are arranged in a staggered manner. The distance of the drainage borehole 1 is 2-3m, the depth of the drainage borehole 1 is 3-4m, the diameter of the drainage borehole 1 is 75-110mm, the elevation angle of the drainage borehole 1 is 0-10°, and the best elevation angle is 5-10°. A high-porosity drainage pipe 5 is arranged in each drainage borehole 1, and the high-porosity drainage pipe 5 on the bottom layer of the side slope 6 is 20-30 cm higher than the bottom platform, and the slope surface of the side slope 6 is arranged with longitudinal micro-collectors. Ditc...

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Abstract

The invention discloses a side slope shallow drainage system. The bottom platform of the side slope (6) is provided with drainage ditches (4), and multiple rows and rows of drainage boreholes are densely arranged on the side slope (6). (1), the distance between the drainage boreholes (1) is 2-3m, the depth is 3-4m, and the elevation angle is 0-10°, each of the drainage boreholes (1) is provided with Drainage pipe, the slope of the slope (6) is arranged with a longitudinal micro-drainage ditch (2) and / or a transverse micro-drainage ditch (3) docked with the outlet of each of the drainage pipes, the The longitudinal miniature water collection ditch (2) and / or the horizontal miniature water collection ditches (3) communicate with the drainage ditch (4). The invention is a side slope shallow layer drainage system for quickly and efficiently discharging the groundwater infiltrated by rainfall into the shallow layer soil of the side slope.

Description

technical field [0001] The technology of the invention relates to the shallow drainage design and construction technology for slopes in the fields of highways, railways, water conservancy and hydropower projects, etc., especially for slope drainage of soil slopes under rainfall conditions. Background technique [0002] Under the existing technical conditions, for a large number of soil slopes, the slope drainage system generally adopts the method of arranging drainage ditches on the slope surface and arranging deep drainage pipes in the slope body to discharge the groundwater that has infiltrated into the slope body due to rainfall. Most projects only arrange a row of drainage holes at the bottom of the first grade of slope, and a few projects adopt a row of drainage holes with a depth of 5-10m on the steps of each grade of slope. The disadvantage of this construction method is that due to the small number of drainage pipes in the drainage system, the groundwater that has in...

Claims

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Application Information

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IPC IPC(8): E02B11/00E03F1/00E02D17/20
Inventor 蒋中明付宏渊曾铃李磊
Owner CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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