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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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

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  • A slope shallow drainage system
  • A slope shallow drainage system
  • A slope shallow drainage system

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[0016] The present invention will be further described below with reference to the drawings and specific embodiments.

[0017] See figure 1 with figure 2 , The bottom platform of the slope 6 is provided with drainage ditch 4, and multiple rows and rows of drainage boreholes 1 are densely arranged on the slope 6. The upper and lower rows of drainage boreholes 1 are staggered, and the drainage boreholes 1 The distance is 2~3m, the depth of drainage hole 1 is 3~4m, the diameter of drainage hole 1 is 75~110mm, the elevation angle of drainage hole 1 is 0~10°, the best elevation angle is 5~10°, Each drainage borehole 1 is provided with a high-porosity drainage pipe 5. The high-porosity drainage pipe 5 of the bottom layer of the slope 6 is 20-30cm higher than the bottom platform. The slope of the slope 6 is arranged with a longitudinal micro-collection. The cross section of the water ditch 2 and the horizontal mini-catchment 3, the vertical mini-catchment 2 and the horizontal mini-cat...

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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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