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The Influence of Moisture on the Interface Shear Strength Between Geosynthetics  

Seo, Min-Woo (Dam Safety Research Center, Korea Institute of Water and Environment)
Park, In-Joon (Dept. of Civil Engrg., Hanseo Univ)
Park, Jun-Boum (School of Civil, Vrban ＆ Geosystem Engrg., Seoul National Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.20, no.2, 2004 , pp. 75-85 More about this Journal
Abstract
Various geosynthetics are widely installed as a liner or a protective layer of waste landfills. The interface shear strength between the layers of geosynthetics in waste landfills is an important parameter to ensure the safety of bottom and cover system design. In this study, estimations of interface shear strength between geomembrane and geotextile or Geosynthetic Clay Liners (GCL) are performed by large direct shear tests. Especially, this research is focused on the effect of moisture within the interface shear strength between geosynthetics, because most interfaces are vulnerable to rain, leachate and groundwater beneath the liners.
Keywords
Geosynthetics; Interface shear strength; Large direct shear tests; Moisture; Waste landfills;
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