Effect of Apparent Cohesion on Translational Failure Analyses of Landfills
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 130, Issue 1
Abstract
The scope of this paper is to develop a new analysis method introducing the effect of apparent cohesion of the waste and/or liner materials on the translational failure of landfills. The apparent cohesion of the liner materials seriously affects the factor of safety (FS), especially for a liner interface with a low friction angle and high apparent cohesion. Obtaining accurate and reliable apparent cohesion for various liner materials becomes an important approach for translational failure analysis. The relationship between B and for is different with that for Using an equivalent friction angle to represent the apparent cohesion of the liner materials may lead to an unsafe result. Also, a waste filling sequence, to keep the FS above a stipulated value during the landfilling process, can be generated. The values of varies between 1.9 and 2.1 and are concentrated around 2.0 when The approximate solutions of FS with adequate accuracy can be obtained by assuming when FS⩾0.95.
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Copyright © 2004 American Society of Civil Engineers.
History
Received: Nov 25, 2002
Accepted: Apr 8, 2003
Published online: Dec 15, 2003
Published in print: Jan 2004
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