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Settlement characteristics of mechanically biologically treated wastes

Settlement characteristics of mechanically biologically treated wastes
Settlement characteristics of mechanically biologically treated wastes
Legal limitations on the amount of biodegradable municipal solid waste (MSW) disposed of to landfill have led to the development of a range of pre-treatment processes known generically as mechanical biological treatment (MBT). This paper presents the results of a detailed study of the degradation and settlement characteristics of two such MBT waste residues. The effects of mechanical creep and biodegradation are quantified separately, and are compared with each other and with those for a raw (untreated) MSW. The effects of different degrees of treatment prior to landfilling are considered in the context of the relationship between biodegradation and settlement. The results are discussed with reference to uncoupled models for estimating consolidation, creep and biodegradation induced settlements in MBT wastes. Methods for determining appropriate parameter values and applying these models to practice are also suggested


landfill, waste mechanics, settlement, degradation
1090-0241
1676-1689
Siddiqui, A.A.
b26d45e6-7d79-4d7e-ad5b-83843a479070
Powrie, W.
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c
Richards, D.J.
29e5c0b3-29b2-46e6-ab24-a72e976a7199
Siddiqui, A.A.
b26d45e6-7d79-4d7e-ad5b-83843a479070
Powrie, W.
600c3f02-00f8-4486-ae4b-b4fc8ec77c3c
Richards, D.J.
29e5c0b3-29b2-46e6-ab24-a72e976a7199

Siddiqui, A.A., Powrie, W. and Richards, D.J. (2013) Settlement characteristics of mechanically biologically treated wastes. Journal of Geotechnical and Geoenvironmental Engineering, 139 (10), 1676-1689. (doi:10.1061/(ASCE)GT.1943-5606.0000918).

Record type: Article

Abstract

Legal limitations on the amount of biodegradable municipal solid waste (MSW) disposed of to landfill have led to the development of a range of pre-treatment processes known generically as mechanical biological treatment (MBT). This paper presents the results of a detailed study of the degradation and settlement characteristics of two such MBT waste residues. The effects of mechanical creep and biodegradation are quantified separately, and are compared with each other and with those for a raw (untreated) MSW. The effects of different degrees of treatment prior to landfilling are considered in the context of the relationship between biodegradation and settlement. The results are discussed with reference to uncoupled models for estimating consolidation, creep and biodegradation induced settlements in MBT wastes. Methods for determining appropriate parameter values and applying these models to practice are also suggested


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More information

e-pub ahead of print date: 27 February 2013
Published date: October 2013
Keywords: landfill, waste mechanics, settlement, degradation
Organisations: Infrastructure Group

Identifiers

Local EPrints ID: 352712
URI: https://eprints.soton.ac.uk/id/eprint/352712
ISSN: 1090-0241
PURE UUID: 9fac0de2-b58a-4655-93fb-804cd47f5931
ORCID for W. Powrie: ORCID iD orcid.org/0000-0002-2271-0826

Catalogue record

Date deposited: 20 May 2013 12:30
Last modified: 20 Jul 2019 01:19

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