Application of geotextile in landfill

15-02-2020

Application of geotextile in landfill


The geotextile used in the geotechnical engineering of the landfill anti-seepage system shall meet the following requirements.


(1) It should be combined with the characteristics of the anti-seepage system project and should be adapted to the use environment of the landfill. At present: polypropylene short fiber geotextile, polyester filament geotextile, polyester staple fiber geotextile. Polypropylene staple fiber needle-punched geotextile has the characteristics of acid and alkali resistance, erosion resistance, wind resistance and strong curl fastness.


(2) When the geotextile is used as the HDPE Geomembrane protection material, the specification should not be less than 600g/m2.


(3) When the geotextile is used for the filter material of the blind drain and leachate collection and drainage layer, the specification should not be less than 150g/m2.


(4) Geotextiles should have good anti-aging and anti-UV functions.


geotextiles


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