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Impermeable anti-skid exposed slope vegetation recovery matrix layer structure

A technology for vegetation restoration and matrix layer, applied in botany equipment and methods, horticulture, fertilization methods, etc., can solve the problems of low-quality stable materials and life expectancy of less than 10 years

Inactive Publication Date: 2017-10-13
深圳市万卉园景观工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Its disadvantages and problems are: the service life of slope reinforcement equipment depends on the material. The service life of general steel bar stabilization equipment is between 10 and 20 years, and the service life of cement material stabilization equipment is 20-20 years. between 50 years
Some low-quality robust materials may have a lifespan of less than 10 years

Method used

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  • Impermeable anti-skid exposed slope vegetation recovery matrix layer structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0038] The structure is:

[0039] 1) Bottom isolation layer: Use clay with a particle size of 0.02mm, and the laying thickness is 5cm;

[0040] 2) Middle drainage layer: Use crushed stone with a particle size of 0.5cm, and the laying thickness is 15cm;

[0041] 3) Surface planting layer: use foreign soil spraying substrate, and the spraying thickness is 10cm.

[0042] Results: Example 2 did not form effective surface runoff under the conditions of a slope of 15° and a precipitation lower than 405mm / h; no water seeped out within 60 minutes under the matrix layer structure.

Embodiment 3

[0044] The structure is:

[0045] 1) Bottom isolation layer: Use clay with a particle size of 0.02mm, and the laying thickness is 5cm;

[0046] 2) Middle drainage layer: Use crushed stone with a particle size of 0.5cm, and the laying thickness is 15cm;

[0047] 3) The surface planting layer: use foreign soil spraying substrate, and the spraying thickness is 15cm.

[0048] Results: Example 3 did not form effective surface runoff under the conditions of a slope of 15° and a precipitation lower than 385 mm / h; no water seeped out within 80 minutes under the matrix layer structure.

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Abstract

The invention discloses an impermeable anti-skid exposed slope vegetation recovery matrix layer structure, and relates to the field of vegetation recovery field of the exposed slope. The structure orderly comprises a bottom isolating layer, a middle draining layer and a surface draining layer from bottom to top; the bottom isolating layer uses clay with granularity of 0.02 mm below as a base layer, the paving thickness is within 3 and 10 cm, and the permeability is 10-7 cm2 / s below; the middle draining layer uses the coarse sand, gravel or macadam particle with granularity of 0.2-2.0 cm as the base layer, the paving thickness is within 5-20 cm, and the permeability is 10-2 cm2 / s above; the surface draining layer uses a spray-seeding base material with rich nutrition and good water retention ability as the base layer, and the paving thickness is within 3-15 cm. The impermeable anti-skid exposed slope vegetation recovery matrix layer is applicable to the mine vegetation recovery, tailing heap sealing, treatment of refuse landfill surface, slope vegetation recovery of expressway, and vegetation recovery of other exposed slopes.

Description

technical field [0001] The invention relates to the field of vegetation restoration on bare slopes, in particular to an anti-seepage and anti-slip vegetation restoration matrix layer structure on bare slopes. Background technique [0002] With the continuous development of my country's highway construction, mining and desertification control projects, the area of ​​exposed slopes has increased year by year. At present, the most common method of treating bare slopes is to use spraying technology to artificially spray substrates and seeds on bare slopes to restore vegetation on bare slopes. However, due to the high slope of some exposed slopes and the instability of slope materials, thick-layer substrates are prone to slope instability such as landslides and subsidence due to poor drainage when encountering heavy rainfall. [0003] In recent years, precipitation has been concentrated in parts of North China, Central China, and South China, with a single rainfall amount being ...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C21/00
CPCA01C21/005
Inventor 李灵章李春花刘卓成余雨泽
Owner 深圳市万卉园景观工程有限公司
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