Description
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
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) ≥ | 5.0 | 7.5 | 10.0 | 12.0 | 14.0 | 16.0 | 18.0 | 20.0 | |
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 | |
Peel strength/(N/cm)≥ | 0.5 | 0.6 | 0.8 | 1.0 | 1.2 | 1.4 | 1.6 | 1.8 | |
Vertical permeable coefficient(cm/s)≥ | According to design or conract requirement | ||||||||
Width deviation | -1.0 | ||||||||
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