A microstructural cam clay model for hydro-mechanical behavior of unsaturated soils

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.contributor	Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques
dc.contributor.author	Cordao Neto, Manoel Porfirio
dc.contributor.author	Lima Lopes, Bruna de Carvalho Faria
dc.contributor.author	dos Anjos Mascarenha, Marcia Maria
dc.contributor.author	Romero Morales, Enrique Edgar
dc.date	2017-01
dc.identifier.citation	Cordao, M., Lima , B., dos Anjos , M., Romero, E. A microstructural cam clay model for hydro-mechanical behavior of unsaturated soils. "Soils and rocks", Gener 2017, vol. 40, núm. 1, p. 3-16.
dc.identifier.citation	1980-9743
dc.identifier.citation	https://www.researchgate.net/publication/319179621_A_Microstructural_Cam_Clay_Model_for_Hydro-Mechanical_Behavior_of_Unsaturated_Soils
dc.identifier.uri	http://hdl.handle.net/2117/113097
dc.language.iso	eng
dc.relation	http://www.soilsandrocks.com.br/soils-androcks/SR40-1_003-016.pdf
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
dc.subject	Clay soils
dc.subject	High porosity soils
dc.subject	Mechanical behavior
dc.subject	New state variables
dc.subject	Unsaturated soils
dc.subject	Sòls argilosos
dc.title	A microstructural cam clay model for hydro-mechanical behavior of unsaturated soils
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	In this paper, two new state variables are included in a conventional elastoplastic model, Modified Cam-clay, to incorporate the influence of pore size distribution changes in the mechanical behavior of unsaturated soils. The first state variable allows capturing the influence of large pore changes in the mechanical behavior, and is controlled by an evolution law that incorporates plastic volumetric strain. The second state variable is added to reproduce suction effects and the evolution of this variable is also controlled by plastic volumetric strain. The new approach is validated against a variety of experimental data of high porosity soils.
dc.description.abstract	Peer Reviewed

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