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A Study on the Interface Shear Strength of HDPE Textured Geomembrane
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 Title & Authors
A Study on the Interface Shear Strength of HDPE Textured Geomembrane
Kim, Sejin; Youn, Heejung;
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This paper evaluates the interface shear strength of HDPE textured geomembrane. The interface shear strength between textured geomembrane and marl, and textured geomembrane and woven geotextile were measured; and the smooth geomembrane was used to evaluate the effect of "texture" on the interface shear strength. The interface shear strength was measured using a large direct shear testing device under several conditions including the presence of water, and the normal stresses that were 12, 24, 45, 100, 500, and 1,000 kPa. From testing results, it was found that there was meaningful reduction in the interface shear strength in the presence of water, but the effect of normal stress was not clear. The interface shear strength was measured to be significantly different for smooth geomembrane, whose strength was measured to be as small as half that of the textured geomembrane.
Textured geomembrane;Interface shear strength;Large direct shear test;Water condition;Smooth geomembrane;Marl;
 Cited by
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