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A fully coupled elastic–plastic hydromechanical model for compacted soils accounting for clay activity

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10.1002/nag.1116
 
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hdl:2117/16068

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Della Vecchia, G.
Romero Morales, Enrique EdgarMés informacióMés informacióMés informació
Jommi, Cristina
Document typeArticle
Defense date2012-01-11
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
A constitutive model, accounting for multiphase and multiscale coupling, is proposed for the water retention domain and the stress–strain response of compacted clayey soils. The model is based on a conceptual interpretation of the microfabric evolution of compacted soils along generalised hydromechanical paths, detected by means of mercury intrusion porosimeter tests. Multiphase coupling is provided by the mutual interaction between the mechanical and the hydraulic states. Multiscale coupling is introduced by a measure of the size of the aggregates, which influences both the retention and the stress–strain response, in the phenomenological constitutive equations. Model capabilities are verified by comparison with relevant experimental data from laboratory tests on compacted Boom clay and other selected experimental data on different compacted clayey soils.
CitationDella Vecchia, G.; Romero, E.; Jommi, C. A fully coupled elastic–plastic hydromechanical model for compacted soils accounting for clay activity. "International journal for numerical and analytical methods in geomechanics", 11 Gener 2012, p. 1-33. 
URIhttp://hdl.handle.net/2117/16068
DOI10.1002/nag.1116
ISSN0363-9061
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  • Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica (fins octubre 2015) - Articles de revista [239]
  • MSR - Mecànica del Sòls i de les Roques - Articles de revista [277]
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