Constitutive model for long term municipal solid waste mechanical behavior

Detalhes bibliográficos
Autor(a) principal: Machado, Sandro Lemos
Data de Publicação: 2008
Outros Autores: Vilar, O. M., Carvalho, M. F.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/6066
Resumo: Acesso restrito: Texto completo. p. 775-790.
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spelling Machado, Sandro LemosVilar, O. M.Carvalho, M. F.Machado, Sandro LemosVilar, O. M.Carvalho, M. F.2012-06-04T18:50:38Z20080266-352Xhttp://www.repositorio.ufba.br/ri/handle/ri/6066v. 35, n. 5Acesso restrito: Texto completo. p. 775-790.This paper presents some improvements in the model proposed by Machado et al. [Machado SL, Carvalho MF, Vilar OM. Constitutive model for municipal solid waste. J Geotech Geoenviron Eng ASCE 2002;128(11):940–51] now considering the influence of biodegradation of organic matter in the mechanical behavior of municipal solid waste. The original framework considers waste as composed of two component groups; fibers and organic paste. The particular laws of behavior are assessed for each component group and then coupled to represent waste behavior. The improvements introduced in this paper take into account the changes in the properties of fibers and mass loss due to organic matter depletion over time. Mass loss is indirectly calculated considering the MSW gas generation potential through a first order decay model. It is shown that as the biodegradation process occurs the proportion of fibers increases, however, they also undergo a degradation process which tends to reduce their ultimate tensile stress and Young modulus. The way these changes influence the behavior of MSW is incorporated in the final framework which captures the main features of the MSW stress–strain behavior under different loading conditions. 2007 Elsevier Ltd. All rights reserved.Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2012-06-04T18:50:38Z No. of bitstreams: 1 __ac.els-cdn.com_S026635...1d9ccd316aef0b018c2fe1f1cfb02.pdf: 1011546 bytes, checksum: 5ec2a831d7d840c2700cc9717d6a7dbd (MD5)Made available in DSpace on 2012-06-04T18:50:38Z (GMT). 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dc.title.pt_BR.fl_str_mv Constitutive model for long term municipal solid waste mechanical behavior
dc.title.alternative.pt_BR.fl_str_mv Computers and Geotechnics
title Constitutive model for long term municipal solid waste mechanical behavior
spellingShingle Constitutive model for long term municipal solid waste mechanical behavior
Machado, Sandro Lemos
Municipal solid waste
Constitutive model
Long term behavior
title_short Constitutive model for long term municipal solid waste mechanical behavior
title_full Constitutive model for long term municipal solid waste mechanical behavior
title_fullStr Constitutive model for long term municipal solid waste mechanical behavior
title_full_unstemmed Constitutive model for long term municipal solid waste mechanical behavior
title_sort Constitutive model for long term municipal solid waste mechanical behavior
author Machado, Sandro Lemos
author_facet Machado, Sandro Lemos
Vilar, O. M.
Carvalho, M. F.
author_role author
author2 Vilar, O. M.
Carvalho, M. F.
author2_role author
author
dc.contributor.author.fl_str_mv Machado, Sandro Lemos
Vilar, O. M.
Carvalho, M. F.
Machado, Sandro Lemos
Vilar, O. M.
Carvalho, M. F.
dc.subject.por.fl_str_mv Municipal solid waste
Constitutive model
Long term behavior
topic Municipal solid waste
Constitutive model
Long term behavior
description Acesso restrito: Texto completo. p. 775-790.
publishDate 2008
dc.date.issued.fl_str_mv 2008
dc.date.accessioned.fl_str_mv 2012-06-04T18:50:38Z
dc.type.driver.fl_str_mv Artigo de Periódico
info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/6066
dc.identifier.issn.none.fl_str_mv 0266-352X
dc.identifier.number.pt_BR.fl_str_mv v. 35, n. 5
identifier_str_mv 0266-352X
v. 35, n. 5
url http://www.repositorio.ufba.br/ri/handle/ri/6066
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.pt_BR.fl_str_mv http://dx.doi.org/10.1016/j.compgeo.2007.11.008
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
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