Geomechanics and long-term landfill settlement.

McDougall, John (2008) Geomechanics and long-term landfill settlement. In: GeoCongress 2008: Geotechnics of Waste Management and Remediation Proceedings of sessions of GeoCongress 2008. ASCE, pp. 482-490. ISBN 978-0-7844-0970-1

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Long term landfill settlement is commonly attributed to two phenomena: creep and biodegradation. Biodegradation, which may contribute the greater proportion of long‐term settlement, is a function of a range of factors, many of which are not easily associated with conventional geomechanical analysis. A more fundamental treatment of biodegradation effects within the constitutive framework of a hydro‐bio‐mechanical (HBM) model is presented in this paper. The role of a decomposition‐induced void volume change parameter Λ, and its ability to handle biodegradation‐related settlement, are revealed through the simulation of a long‐term, laboratory‐scale waste settlement test.

Item Type: Book Section
ISBN: 978-0-7844-0970-1
Additional Information: Paper presented at GeoCongress 2008: The Challenge of Sustainability in the Geoenvironment Annual Congress of the Geo-Institute of ASCE held in New Orleans, USA. 9-12 March 2008.
Uncontrolled Keywords: Landfill; settlement; creep; biodegradation;
University Divisions/Research Centres: Edinburgh Napier University, Institute for Sustainable Construction
Dewey Decimal Subjects: 600 Technology > 620 Engineering > 628 Sanitary & municipal engineering
Library of Congress Subjects: T Technology > TD Environmental technology. Sanitary engineering
Item ID: 4801
Depositing User: Mrs Lyn Gibson
Date Deposited: 01 Dec 2011 13:01
Last Modified: 10 Dec 2013 11:42

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