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INTERFACE SHEAR BEHAVIOR OF LANDFILL COMPOSITE LINER SYSTEMS, A FINITE ELEMENT ANALYSIS (1996)
The use of various types of geosynthetics to construct landfill composite liner systems results in interfaces between different geosynthetics, and between geosynthetics and compacted cohesive soil liners/subgrade soil. These interfaces are potentially critical for stability due to their in-plane shear behavior. Conventional limit equilibrium analyses can provide an overall assessment of composite liner system stability however, they lack the capability to compute displacements along the critical shear plane, and the resulting strain levels within the composite liner systems. In this study, the shear displacements of typical landfill composite liner system interfaces in response to municipal solid waste-loads were evaluated using a finite element analysis.
Geosynthetics International, Vol. 3, No. 2, 1996
University of Illinois atChicago, USA
USA