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Effect of leachate recirculation and extent of degradation on the stability of bioreactor landfill slopes

Srivastava, Amit and Sivakumar Babu, GL and Reddy, Krishna R and Kulkarni, Hanumanth S (2011) Effect of leachate recirculation and extent of degradation on the stability of bioreactor landfill slopes. In: Proceedings of ASCE Conference on Geotechnical Risk Assessment and Management, June 26-28, 2011, Atlanta, Georgia, United States.

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Official URL: http://dx.doi.org/10.1061/41183(418)74


The stability of a bioreactor landfill slope is influenced by the quantity and method of leachate recirculation as well as on the degree of decomposition. Other factors include properties variation of waste material and geometrical configurations, i.e., height and slope of landfills. Conventionally, the stability of slopes is evaluated using factor of safety approach, in which the variability in the engineering properties of MSW is not considered directly and stability issues are resolved from past experiences and good engineering judgments. On the other hand, probabilistic approach considers variability in mathematical framework and provides stability in a rational manner that helps in decision making. The objective of the present study is to perform a parametric study on the stability of a bioreactor landfill slope in probabilistic framework considering important influencing factors, such as, variation in MSW properties, amount of leachate recirculation, and age of degradation, in a systematic manner. The results are discussed in the light of existing relevant regulations, design and operation issues.

Item Type: Conference Proceedings
Publisher: American Society of Civil Engineers
Additional Information: Copyright of this article belongs to American Society of Civil Engineers.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 21 May 2013 11:24
Last Modified: 21 May 2013 11:24
URI: http://eprints.iisc.ac.in/id/eprint/46363

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