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Classification of Geotextiles

Geotextile is the fourth new building material applied in geotechnical engineering after steel, cement, and wood. It is widely used in railway, highway, water conservancy, electric power, metallurgy, mining, construction, military industry, seaport, agriculture, and other fields.


Geotextile has the functions of drainage, filtration, isolation, reinforcement, protection, seepage prevention, and leakage prevention. But do you know how to classify geotextiles?

1. Anti-seepage geotextiles: It is composed of non-woven fabric and impermeable film. And the impermeability of plastic film determines the impermeability of geotextiles. Composite high quality non woven geotextile play an important role in railway, highway, large-scale buildings and environmental protection projects.

2. Woven geotextiles: The raw materials are polypropylene (industrial), polyester, nylon, and other synthetic fibers. Woven geotextiles are also widely used in rivers, coasts, bridges and other engineering fields. And woven geotextiles can be used for various purposes with high original strength.

3. Knitted geotextiles: The synthetic materials made from polypropylene and polyethylene flat yarn are called woven geotextiles. And it is widely used in water conservancy, harbor, highway, railway construction and other aspects.

4. Textile geotextiles: Textile geotextiles have the functions of reinforcement, isolation, and protection. But they do not have the function of plane drainage. Textile geotextiles are mostly used to reinforce geotechnical projects.

5. Nonwoven geotextiles: Nonwoven geotextiles also have a name, which is also called geotextiles. Geosynthetics made by needling (or knitting) synthetic fibers are called nonwoven geotextiles.