An elastoplastic model for the THM analysis of freezing soils

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Title:	An elastoplastic model for the THM analysis of freezing soils
Author:	Satoshi, Nishimura; Gens Solé, Antonio; Olivella Pastallé, Sebastià; Jardine, Richard
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica; Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques
Abstract:	By employing a combination of ice pressure, liquid pressure and total stress as state variables, a new thermoplastic constitutive model has been developed that encompasses frozen and unfrozen behaviour within a unified effective-stress-based framework. It has been incorporated into a fully coupled thermo-hydro-mechanical (THM) finite element formulation that considers freezing and thawing in water-saturated soils and applied to a large-scale pipeline frost heave test.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls -Frozen ground -Freezing ground -Frost heave -Thermoplastic model -Coupled analysis -Pipeline engineering -Sòls -- Propietats -Enginyeria civil -- Regions fredes
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Document type:	Article - Published version Conference Object
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