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dc.contributor.authorDella Vecchia, G.
dc.contributor.authorJommi, Cristina
dc.contributor.authorRomero Morales, Enrique Edgar
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica
dc.identifier.citationDella Vecchia, G.; Jommi, C.; Romero, E. Radial stress paths in triaxial tests on compacted Boom clay: stiffness and anisotropy. A: Asia-Pacific Conference on Unsaturated Soils. "Unsaturated soils: theory and practice 2011". Pattaya: Kasetsart University, 2011, p. 273-278.
dc.description.abstractExperimental results of triaxial tests performed on unsaturated soil samples of statically compacted Boom clay are presented. Boom clay samples we re subjected to radial stress paths at two different constant water contents: w= 15%, the as-compacted one, and w= 18%, achieved by vapour transfer technique from the as-compacted condition. The dependence of volumetric compliance on the stress ratio and on the water content is evidenced. The results of the experimental investigation are interpreted in terms of anisotropy of the mechanical response, as a consequence of the induced anisotropy during static compaction, and in terms of the dependence of the compressibility on the micro-fabric of the material. The intrinsic link between the phenomenological soil behaviour and the evolution of its fabric is evidenced, and a normalising variable to take it into account at the constitutive level is proposed.
dc.format.extent6 p.
dc.publisherKasetsart University
dc.subjectÀrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls
dc.subject.lcshClay soils -- Testing
dc.subject.otherlaboratory testing
dc.subject.otherradial paths
dc.subject.otheryield surface
dc.subject.otherplastic potential
dc.titleRadial stress paths in triaxial tests on compacted Boom clay: stiffness and anisotropy
dc.typeConference report
dc.subject.lemacSòls argilosos
dc.contributor.groupUniversitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques
dc.rights.accessRestricted access - publisher's policy
dc.description.versionPostprint (published version)
upcommons.citation.authorDella Vecchia, G.; Jommi, C.; Romero, E.
upcommons.citation.contributorAsia-Pacific Conference on Unsaturated Soils
upcommons.citation.publicationNameUnsaturated soils: theory and practice 2011

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