The function of polyester filament geotextile

08-08-2019

The function of polyester filament geotextile


1, Seperation

That is, the use of geotextiles to seperate building materials (such as soil and sand, sand and gravel, soil and concrete) with different physical properties (particle size, distribution, consistency and density). The two or more materials are not lost or mixed, and the overall structure and function of the material are maintained to enhance the load bearing capacity of the structure.


2, filtration

When water flows from the fine-grained soil layer into the coarse-grained soil layer, the water flow is passed through the good gas permeability and water permeability of the needle-punched geotextile. And effectively intercept soil particles, fine sand, small stones, etc., in order to maintain the stability of water and soil engineering.


3. Drainage

Geotextile is a good water-conducting material, which can form a drainage channel in the soil structure to remove excess liquid and gas inside the soil structure.


4, Reinforcement 

The geotextile is used to enhance the tensile strength and deformation resistance of the soil, and to enhance the stability of the building structure to improve the soil quality.


5, Protection

Effectively spread, transfer or decompose the concentrated stress to prevent the soil from being damaged by external forces.


6, Waterproof

The geotextile is combined with other materials (asphalt, plastic film) to form an impervious barrier in the soil layer. (Mainly used for road resurfacing, repair, etc.).

geotextiles



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