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dc.contributor.authorYerro Colom, Alba
dc.contributor.authorAlonso Pérez de Agreda, Eduardo
dc.contributor.authorPinyol Puigmartí, Núria Mercè
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.date.accessioned2016-04-01T15:05:01Z
dc.date.available2016-04-01T15:05:01Z
dc.date.issued2015-03
dc.identifier.citationYerro, A., Alonso, E., Pinyol, N.M. The material point method for unsaturated soils. "Géotechnique", Març 2015, vol. 65, núm. 3, p. 201-217.
dc.identifier.issn0016-8505
dc.identifier.urihttp://hdl.handle.net/2117/85081
dc.descriptionGuardonat amb la Telford Medal
dc.description.abstractThe paper describes a three-phase single-point material point method formulation of coupled flow (water and air) for hydro-mechanical analysis of geotechnical problems involving unsaturated soils. The governing balance and dynamic momentum equations are discretised and adapted to material point method characteristics: an Eulerian computational mesh and a Lagrangian analysis of material points. General mathematical expressions for the terms of the set of governing equations are given. A suction-dependent elastoplastic Mohr-Coulomb model, expressed in terms of net stress and suction variables is implemented. The instability of a slope subjected to rain infiltration, inspired from a real case, is solved and discussed. The model shows the development of the initial failure surface in a region of deviatoric strain localisation, the evolution of stress and suction states in some characteristic locations, the progressive large strain deformation of the slope and the dynamics of the motion characterised by the history of displacement, velocity and acceleration of the unstable mass.
dc.format.extent17 p.
dc.language.isoeng
dc.publisherThomas Telford
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
dc.subject.lcshMaterial point method
dc.subject.lcshSoil mechanics--Mathematical models
dc.subject.otherdynamics
dc.subject.othernumerical modelling
dc.subject.otherpartial saturation
dc.subject.otherplasticity
dc.subject.otherslopes
dc.subject.otherstrain localisation
dc.titleThe material point method for unsaturated soils
dc.typeArticle
dc.subject.lemacMecànica dels sòls -- Mètodes numèrics
dc.contributor.groupUniversitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques
dc.identifier.doi10.1680/geot.14.P.163
dc.description.peerreviewedPeer Reviewed
dc.description.awardwinningAward-winning
dc.relation.publisherversionhttp://www.icevirtuallibrary.com/content/article/10.1680/geot.14.P.163
dc.rights.accessOpen Access
drac.iddocument15399592
dc.description.versionPostprint (author's final draft)
upcommons.citation.authorYerro, A., Alonso, E., Pinyol, N.M.
upcommons.citation.publishedtrue
upcommons.citation.publicationNameGéotechnique
upcommons.citation.volume65
upcommons.citation.number3
upcommons.citation.startingPage201
upcommons.citation.endingPage217


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