The Method of Reinforcement of Expansive Soil Slope with Root System Combined Tension Belt
A technology of tension belt and expansive soil, which is applied in the field of expansive soil slope treatment by adopting the ecological protection method of root system combined with tension belt, can solve the problems of ecological slope protection that cannot be maintained and managed by water, swelling and damage of expansive soil slope, and achieve waterproofing Good drainage effect, maintaining flexibility and ecological protection, and improving the effect of reinforcement
Active Publication Date: 2018-09-14
SICHUAN UNIV
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Problems solved by technology
Therefore, there are two difficult technical problems in the existing slope protection technology. The one is difficult to solve the technical problem that the current expansive soil slope adopts rigid protection and there is swelling and damage. The situation of maintenance management
In order to effectively control expansive soil slopes, it is necessary to provide a new expansive soil slope treatment method, which can not only solve the problem of swelling and damage of expansive soil slopes, but also change the situation that ecological slope protection cannot be maintained and managed with water
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Embodiment 1
[0025] In the method for reinforcing expansive soil slopes with roots combined with tendon belts in this embodiment, the composition of the technical solution includes constructing a lattice network-type distributed drainage and storage trench 1 on the slope surface of the expansive soil slope, and the drainage and storage trenches 1 is a small groove with an inverted trapezoidal cross-section excavated on the slope, and a waterproof membrane is laid on the two side walls and soil is covered on the membrane to prevent rainwater from infiltrating from the side walls and ultraviolet radiation. The width of the bottom of the drainage and storage groove is about 10cm. The lattice network formed by the drainage and storage grooves is a rhombus grid, and the vertical distance between two adjacent parallel drainage and storage grooves is about 1m. Vetiver is planted in the drainage ditch, and the distance between two adjacent plants (plant distance) is about 35cm. Between two adjace...
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The invention provides a method of reinforcing an expansive soil side slope by combining root systems and tiepiece strips. The method is characterized in that lattice types water drainage and storage grooves are constructed in a slope surface of the expansive soil side slope; plants having developed root systems are planted in the water drainage and storage grooves in a spaced manner; one tiepiece strip having tensile strength and water absorption and retention properties is planted between every two adjacent plants and is perpendicular to the slope surface of the expansive soil side slope; and the lower ends of the tiepiece strips penetrate through a surface layer (prone to be infiltrated by rainfall), prone to be immersed, of the expansive soil side slope, and are inserted into an inner layer, not prone to be immersed, of the expansive soil side slope. The method can realize the effect of ecological protection and flexible protection of the expansive soil side slope simultaneously.
Description
technical field [0001] The invention relates to the technical field of water and soil loss and slope control engineering, in particular to a method for controlling expansive soil slopes by adopting an ecological protection method of combining root systems with tension belts. Background technique [0002] In the expansive soil slope engineering, the technical difficulties currently encountered are mainly water problems, that is, the expansive soil cracks due to evaporation during the non-rainfall period, and the expansive soil becomes soft during the rainfall, and the rainwater soaked in the cracks softens, and the slope soil The strength is reduced, so that the conventional lattice beam slope protection technology and other rigid slope protection technologies are mostly prone to failure. Because expansive soil is afraid of water, expansive soil slope engineering requires both waterproof and drainage, which makes it difficult for expansive soil slopes to pass ecological slope...
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IPC IPC(8): E02D17/20A01G9/033
CPCE02D17/202
Inventor 周成杨文琦党晓强吴美苏陈群陈晓红戴峰李红梅刘恩龙张茹谭昌明聂影王琛黄月华王涵朱宝强
Owner SICHUAN UNIV