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Method for reinforcing steep slope artificial soil by fiber bundle

A technology of artificial soil and fiber bundles, applied in excavation, infrastructure engineering, construction, etc., can solve the problems of unreasonable application of fiber materials, easy erosion of substrates, short fibers, etc., achieving high construction efficiency, simple on-site production, The effect of saving consumption

Inactive Publication Date: 2010-05-12
SICHUAN SANHE SLOPE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The feature of this invention is that it mainly uses plant straw short fibers to reinforce planting loam, but in this type of artificial soil, due to the unreasonable application of fiber materials and short fibers, the matrix is ​​still prone to erosion after rainfall, especially after heavy rainfall , and some parts may even slip and collapse

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] (1) Implementation steps

[0016] 1) Clean up the slope and keep the slope smooth;

[0017] 2) Drill holes on the slope surface, install anchor rods with specifications of Φ14mm and L80, and pour BDM anchoring agent to fix them, and reserve 8-9cm of anchor rod length on the slope surface.

[0018] 3) One end of a bundle of fiber filaments with a length of 16 cm and a fineness of 0.5 to 0.7 mm is bundled, and the other end is naturally scattered to make a normal fiber bundle; two ends of a bundle of fiber filaments are bundled to make a transverse fiber bundle. Wherein, the fiber silk is straw straw silk, and the mixing ratio of polyacrylamide and superabsorbent resin sprayed on it is 40:30.

[0019] 4) Select the wire mesh with sieve hole 8 × 8cm, bind the two ends of the horizontal fiber bundles obtained in step 3) on the surface of the wire mesh in the weft direction of the wire mesh, and make the plane spacing between the horizontal fiber bundles be 16cm, and the no...

Embodiment 2

[0031] (1) Implementation steps

[0032] 1) Clean up the slope and keep the slope smooth;

[0033] 2) Drill holes on the slope surface, install anchor rods with specifications of Φ16mm and L120, and pour BDM anchoring agent to fix them, and reserve the length of anchor rods on the slope to be 9-11cm.

[0034] 3) One end of a bundle of fiber filaments with a length of 8 cm and a fineness of 0.6 to 1.0 mm is bundled, and the other end is naturally scattered to make a normal fiber bundle; two ends of a bundle of fiber filaments are bundled to make a transverse fiber bundle. Wherein, the fiber silk is coconut shell fiber silk, and the mixing ratio of polyacrylamide and superabsorbent resin sprayed on it is 120:60.

[0035] 4) select the barbed wire mesh of sieve hole 8 * 8cm, step 3) the two ends of the obtained horizontal fiber bundles are bound on the surface of the wire mesh weft direction of the wire mesh, and the plane spacing between the horizontal fiber bundles is 8cm, and...

Embodiment 3

[0047] (1) Implementation steps

[0048] 1) Clean up the slope and keep the slope smooth;

[0049] 2) Drill holes on the slope surface, install anchor rods with specifications of Φ18mm and L150, and pour BDM anchoring agent to fix them, and reserve 12-13cm of anchor rod length on the slope surface.

[0050] 3) One end of a bundle of fiber filaments with a length of 24 cm and a fineness of 0.1 to 0.4 mm is bundled, and the other end is naturally scattered to make a normal fiber bundle; two ends of a bundle of fiber filaments are bundled to make a transverse fiber bundle. Wherein, the fiber filaments are nylon filaments, and the mixing ratio of polyacrylamide and superabsorbent resin sprayed on it is 40:80.

[0051] 4) Select the wire mesh with sieve hole 8 × 8cm, bind the two ends of the horizontal fiber bundles obtained in step 3) on the surface of the wire mesh in the weft direction of the wire mesh, and make the plane spacing between the horizontal fiber bundles be 24cm, an...

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Abstract

The invention provides a method for reinforcing steep slope artificial soil by fiber bundle, which comprises the steps: 1) cleaning to lead a slope surface to have smoothness; 2) installing and fixing anchor rods on the slope surface; 3) manufacturing normal fiber bundle and transverse fiber bundle; 4) manufacturing a fiber bundle wire gauze; 5) paving the fiber bundle wire gauze from the top of the slope along the slope surface, and fixing the fiber bundle wire gauze on the anchor rods; 6) preparing seeded artificial soil; 7) spraying the seeded artificial soil on the fiber bundle wire gauze; and 8) finally, covering non-woven fabrics, and watering management. The invention has simple manufacture, high work efficiency and strong applicability, the obtained artificial soil has stable structure, high erosion resistance and good water-retaining property, and the method is mainly used for the virescence of high-steep rock slopes.

Description

technical field [0001] The invention relates to an artificial soil reinforcement method in the field of slope protection, in particular to a method for fiber bundle reinforcement and reinforcement of artificial soil on a steep slope. Background technique [0002] Slope greening and protection have become the focus of ecological environment construction. In order to prevent soil erosion on the slope and protect the ecology, it is often necessary to cultivate artificial soil on the slope to create a reasonable material environment for plant growth, and then plant plants. Under rainfall conditions, the artificial soil on the slope is prone to slide and even collapse, which seriously affects the protection effect of slope vegetation. In order to reinforce the artificial soil, Chinese patent CN 1144513 discloses a method for greening rocky slopes by using plant straws. The steps are to crush or cut the plant straws so that the length is less than or equal to 4cm, and then mix the...

Claims

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Application Information

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IPC IPC(8): E02D17/20
Inventor 杨涛李绍才孙海龙
Owner SICHUAN SANHE SLOPE TECH CO LTD
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