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Geocomposite Drainage Membrane
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Geocomposite Drainage Membrane

    Description

    Geocomposite drainage membrane is a kind of impervious material compounded of geotextile and geomembrane.

    Description of Geocomposite Drainage Membrane

    Geocomposite drainage membrane is made by non woven geotextile and PE/PVC geomembrane Categories are including geotextile and geomembrane, geomembrane with non woven geotextile on both sides, non woven geotextile with geomembrane on both sides, multi-layer geotextile and geomembrane.

Application of Geocomposite Drainage Membrane

Reinforcement in channel
Embankment, reservoir
Waterproofing in reservoir
Rock fill dam and transportation tunnel

Item index
Nominalfracture strength(KN/m) 5 7.5 10 12 14 16 18 20
Longitudunal and transverse fracture strength(KN/m) ≥ 5 7.5 10 12 14 16 18 20
Elogation(%) 30-100
CBR bursting strength/KN 1.1 1.5 1.9 2.2 2.5 2.8 3.0 3.2
Transverse to tear strength/KN 0.15 0.25 0.32 0.40 0.48 0.56 0.62 0.70
Static waater pressure resistance/Mpa≥ Specification Thickness of the film
A cloth and a film 0.2 0.3 0.4 0.5 0.6 0.7 0.8 1.0
Two cloth and a film 0.4 0.5 0.6 0.8 1.0 1.2 1.4 1.6
Vertical permeable coefficient(cm/s)≥ According to design or conract requirement
Width deviation -1.0
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