Numerical and experimental study of initiation and propagation of desiccation cracks in clayey soils

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.contributor	Universitat Politècnica de Catalunya. MECMAT - Mecànica de Materials
dc.contributor	Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques
dc.contributor.author	Levatti, Hector Ulises
dc.contributor.author	Prat Catalán, Pere
dc.contributor.author	Ledesma Villalba, Alberto
dc.date	2019-01
dc.identifier.citation	Levatti, H.; Prat, P.; Ledesma, A. Numerical and experimental study of initiation and propagation of desiccation cracks in clayey soils. "Computers and geotechnics", Gener 2019, vol. 105, p. 155-167.
dc.identifier.citation	0266-352X
dc.identifier.citation	10.1016/j.compgeo.2018.09.015
dc.identifier.uri	http://hdl.handle.net/2117/130672
dc.language.iso	eng
dc.publisher	Elsevier
dc.relation	https://www.sciencedirect.com/science/article/pii/S0266352X18302404
dc.relation	info:eu-repo/grantAgreement/ES/6PN/BIA2009-08341
dc.relation	info:eu-repo/grantAgreement/ES/1PE/BIA2012-36498
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
dc.subject	Clay soils
dc.subject	Desiccation cracking
dc.subject	Hydro-mechanical coupling
dc.subject	Unsaturated soils mechanics
dc.subject	Finite element method
dc.subject	Sòls argilosos
dc.title	Numerical and experimental study of initiation and propagation of desiccation cracks in clayey soils
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	This paper presents the fundamentals and the mathematical formulation to study desiccation cracking in soils based on Unsaturated Soil Mechanics as well as a numerical analysis of a previous desiccation test program. The numerical approach implemented in MATLAB is used in 2D simulations on radial sections of the cylindrical specimens and in a theoretical study of the stress field in plane strain conditions. The numerical analysis, based on two stress stare variables (total net stress and suction) is consistent and in good agreement with the experimental results, including the location of cracks and time of crack initiation.
dc.description.abstract	Peer Reviewed

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