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이광열,김수석,송무효,김병일 東西大學校 1998 동서논문집 Vol.4 No.-
In this study, interfacial angles for two adjacent materials were investigated for the design of geosymthetics in earthen structures specially a liner systems of waste landfills. The purpose of the study is to determine interface friction angles of geosynthetids to various soil types and to examine the tensile strength of geosynthetics in side slope of waste landfills. To determine interface friction angles, the direct shear testing apparatus was modified in accordance with ASTM D5321. Three different types of soils and four geosynthetics are applied for the test to determine the interface friction angles. Equilibrium analysis were performed to estimate the required tensile strength of geosynthetics using a model of liner systems in a side slope. Form this study it is found that the textured type of HDPE is more efficiency than smooth type of HDPE and using soil-bentonite liners is more stable than using compacted clay liners underlying the HDPE sheet.