Geotextile, also known as geotextiles or composite geomembrane, is a permeable geosynthetic material made from synthetic fibers through needle punching or weaving. The finished product is in the form of fabric, commonly used as an impermeable geomembrane, with a typical width of 4-6 meters and length of 50-100 meters. Geotextiles are divided into woven geotextiles and non-woven geotextiles. They possess excellent filtration, separation, reinforcement, and protective functions, with high tensile strength, good permeability, resistance to high temperatures, anti-freezing, aging resistance, and corrosion resistance. Geotextiles can be widely applied in railway, highway, sports venues, dams, water conservancy projects, tunnels, coastal tidal flats, land reclamation, environmental protection, and other engineering projects.
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