The role of geotextiles in greening the environment
Release time:
2024-09-06
Geotextile is not only important for improving the quality of river, lake and ocean management projects and reducing project costs, but also important for developing markets and adjusting the structure of the textile industry.
1, geotextile anti-filtration role: when water flows into the coarse soil layer from the scouring soil layer, the use of needle-punched geotextile good air permeability, water permeability, so that the water flow through, and intercept soil particles, fines, small stones, etc., to maintain the stability of soil and water works.
2, geotextile protection role: effective concentration of stress diffusion, transmission, or decomposition, to prevent the soil body by external forces and damage, the soil body to play a protective role.
3, the role of geotextile drainage: geotextile is a good water-conducting material, it can form a drainage channel inside the soil body, to exclude excess liquid and gas in the soil structure.
4, geotextile isolation role: polyester staple fiber needle punched geotextile used to isolate the physical properties of different building materials (such as soil and sand, soil and concrete, etc.), to prevent the loss of two or more than two kinds of materials or mixing, to maintain the structure of the material and function, and to enhance the structural load-bearing capacity.
5, geotextile reinforcement: the use of needle punched geotextile can enhance the tensile strength and deformation resistance of the soil body, increase the stability of the building structure, improve the quality of the soil body.
6, the role of geotextile anti-puncture: geotextile and geomembrane combination to become a composite waterproof seepage control material, play the role of anti-puncture.
High tensile strength, good air permeability, high temperature resistance, freezing resistance, aging resistance, corrosion resistance, not insect.
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Geotextile Application Engineering Scope
What are the uses of geotextiles? Geotextile has a wide range of uses, generally speaking, geotextile has the following uses:
1. Used as reinforcing material for backfill of retaining walls or as panels for anchoring of retaining walls. Used to build wrapped retaining walls or bridge abutments.
2. Reinforcing flexible pavement, repairing road cracks, and preventing road reflection cracks.
3、Increase the stability of gravel slopes and reinforced soil body, prevent soil erosion and frost damage of soil body under low temperature conditions.
4. Isolation layer between road ballast and roadbed, or between roadbed and soft base.
5. Blocking layer between artificial filling, stone filling or material yard and foundation, blocking layer between different frozen soil layers. Seepage control and reinforcement.
6. Filter layer on the dam surface of the initial upstream of the gray reservoir dam or tailing dam, filter layer of drainage system in the backfill of retaining wall.
7. Filter layer around drainage culverts or around gravel drainage culverts.
8. Filter layer of water wells, pressure relief wells or inclined pipes in water conservancy projects.
9. Geotextile isolation layer between highways, airports, railroad tracks, artificial rock piles and foundations.
10. Internal drainage of earth dam as straight or cross pipe, buried in the soil to dissipate pore water pressure.
11. Drainage behind the geomembrane and under the concrete cover layer for earth dam and earth embankment impermeability.
12、Excluding seepage water around the tunnel to reduce the water pressure outside the lining, and seepage water around each building.
13. Drainage of artificial ground foundation sports ground.
14. Highway (including temporary road) is used to reinforce the fragile foundation in railroad, embankment, earth and stone dam, airport, sports ground and other projects.
PROJECT CASES
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