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The Evaluation of Interface Shear Strength Between Geomembrane and Ceotextile  

서민우 (서울대학교 지구환경시스템공학부)
박준범 (서울대학교 지구환경시스템공학부)
김운영 (육군사관학교)
Publication Information
Journal of the Korean Geotechnical Society / v.18, no.1, 2002 , pp. 79-89 More about this Journal
Abstract
Various geosynthetics used as liners or protection layers are installed in the solid waste landfills. The interface shear strength between geosynthetics installed at the slope of the landfill is a very important variable for the safe design of the bottom and cover systems in the solid waste landfills. The interface shear strength between Geomembrane and Geotexile is estimated by a large direct shear test in this study, The effects of normal stress, water existing between geosynthetics and surface condition of Geomembrae, i.e. smooth or textured, were investigated. The test results show that the effect varied depending on the level of normal stress and the type of geosynthetic combinations. The shear strength was evaluated by the Mohr-Coulomb failure criterion in this research. The shear strength parameters obtained from tests considering the site specific conditions such as normal stress, dry or wet, and surface condition of geosynthetic should be applied to the design of geosynthetics installed at the slope of the landfill to construct a safe solid waste landfill.
Keywords
Geomembrane; Geotextile; Interface shear strength; Normal stress; Solid waste landfill; Water effect;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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