geotextile and geomembrane - Tinhy Geosynthetics

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time：14 4 月, 2023 Views：24

The function of the geotextile geomembrane is to block the leakage channel of the earth dam with the impermeability of the plastic film, to withstand the water pressure and adapt to the deformation of the dam body with its large tensile strength and elongation, and the non-woven fabric is also a kind of polymer Short fiber chemical materials, formed by needle punching or thermal bonding, have high tensile strength and elongation.

It is a kind of anti-seepage and moisture-proof waterproof building material. Its anti-seepage performance mainly depends on the anti-seepage performance of the plastic film. Geomembrane is blow molded by adding a certain proportion of carbon black masterbatch, anti-aging agent, antioxidant, ultraviolet absorber, stabilizer, etc. to polyethylene resin. It is used to build warehouses, dams, cofferdams, canals, and artificial lakes. , reservoirs and other water conservancy projects.

After they are combined with plastic films, they not only increase the tensile strength and puncture resistance of plastic films, but also because of the non-woven The rough surface of the cloth increases the friction coefficient of the contact surface, which is beneficial to the stability of the composite geomembrane and the protective layer. At the same time, they have good corrosion resistance to bacteria and chemical effects, are not afraid of acid, alkali, and salt erosion, and have a long service life when used in the dark. Geomembrane is a geotechnical anti-seepage material composed of plastic film as the anti-seepage base material and non-woven fabric.

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