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Expansive soil slope shallow-surface layer water control protection covering system with capillary suction structure

An expansive soil and capillary technology, applied in infrastructure engineering, excavation, construction, etc., can solve problems such as uneven slopes and water intrusion in expansive soil slopes, and achieve low maintenance costs, good drainage capacity, and good durability The effect of water power

Active Publication Date: 2021-04-16
HEFEI UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem to be solved by the present invention is the problem of water intrusion and uneven slope of expansive soil slope

Method used

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  • Expansive soil slope shallow-surface layer water control protection covering system with capillary suction structure
  • Expansive soil slope shallow-surface layer water control protection covering system with capillary suction structure
  • Expansive soil slope shallow-surface layer water control protection covering system with capillary suction structure

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Embodiment Construction

[0034] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0035] figure 1 It is a schematic diagram of the use status of the coverage system of the present invention, figure 2 It is a structure expansion diagram of the covering system of the present invention, image 3 It is a side sectional view of the covering system of the present invention.

[0036] Depend on figure 1 , figure 2 , image 3 Visible, the present invention a kind of expansive soil slope shallow-surface water control protective cover system with capillary suction structure, this system is followed by vegetation layer 1, fine-grained layer 2, capillary suction layer 3 and coarse-grained layer from top to bottom. The layer 4 and the coarse-grained layer 4 evenly cover the slope surface of the side slope 5 , and a drain 6 is provided at the contact position between the foot of the slope 5 and the coarse-grained la...

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Abstract

The invention discloses an expansive soil side slope shallow-surface layer water control protection covering system with capillary guide and discharge grooves, and belongs to the field of geotechnical engineering and geological engineering. The expansive soil side slope shallow-surface layer water control protection covering system sequentially comprises a vegetation layer, a fine grain layer, a suction layer and a coarse grain layer from top to bottom. According to the expansive soil side slope shallow-surface layer water control protection covering system, the shallow-surface layer moisture regulation and control of the expansive soil side slope depends on a capillary blocking layer formed by combining the fine grain layer and the coarse grain layer and the capillary guide and drainage grooves which uniformly cover in the slope direction and are distributed in sections perpendicular to the slope direction. During rainfall, the shallow-surface layer moisture of the slope body is regulated and controlled in a retarding, storage and guide drainage mode, rainfall is prevented from permeating into the slope soil body, the hydrophobic capacity of a traditional capillary retarding covering layer is improved, the influence of rainfall infiltration on the slope stability is reduced, the overall stability of the slope is enhanced, and the influence of dry-wet circulation on the expansive soil slope can be reduced; and the expansive soil side slope shallow-surface layer water control protection covering system has the advantages of good protection effect, good durability, low manufacturing cost and the like.

Description

technical field [0001] The invention relates to an expansive soil slope shallow-surface water control protection covering system with a capillary suction structure, which belongs to the field of geotechnical engineering and geological engineering. Background technique [0002] Slope instability will lead to serious engineering accidents such as landslides. Compared with ordinary slopes, expansive soil slopes have the characteristics of shallowness, traction, seasonality, and gentleness. According to Document 1 "On the Influence of Cracks on Expansive Soil Slope Stability [J]" (Yin Zongze, Yuan Junping, Wei Jie, Cao Xueshan, Liu Huaqiang, Xu Bin. Journal of Geotechnical Engineering, 2012,34(12):2155- 2161.) research, in engineering, when the strength of the slope design is reached, landslide hazards still sometimes occur on expansive soil slopes. The reason for these phenomena is that expansive soil is expansive. When the water content of expansive soil changes, the shear st...

Claims

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Application Information

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IPC IPC(8): E02D17/20
Inventor 查甫生胡盛涛孙献国许龙康博
Owner HEFEI UNIV OF TECH
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