Municipal solid wastes landfills slopes: A reliability based approach

Basha, B Munwar and Mahapatra, S and Manna, B (2014) Municipal solid wastes landfills slopes: A reliability based approach. In: Computer Methods and Recent Advances in Geomechanics. CRCnetBASE, pp. 601-606. ISBN 978-1-138-00148-0

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Abstract

Mechanical properties of Municipal Solid Waste (MSW) play a major role in the stability of landfills. The shear strength properties change with time, temperature and pressure. Due to its heterogeneous behavior, it is very difficult to predict its long-term stability. Therefore, the deterministic approach may lead to either unsafe or conservative design. This paper pertains to a study on the reliability evaluation of MSW slopes under a probabilistic framework. The results of the analysis are compared and discussed in the light of conventional factor of safety approach. It is observed from the study that there is a need to identify the location of critical centre of circle using method of slices when the parameters are treated as random variables.

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