Yielding of rockfill in relative humidity-controlled triaxial experiments

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.contributor	Universitat Politècnica de Catalunya. Departament de Física
dc.contributor	Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques
dc.contributor.author	Alonso Pérez de Agreda, Eduardo
dc.contributor.author	Romero Morales, Enrique Edgar
dc.contributor.author	Ortega, Enrique
dc.date	2016-06
dc.identifier.citation	Alonso, E., Romero, E., Ortega, E. Yielding of rockfill in relative humidity-controlled triaxial experiments. "Acta geotechnica (Berlin)", Juny 2016, vol. 11, núm. 3, p. 455-477.
dc.identifier.citation	1861-1125
dc.identifier.citation	10.1007/s11440-016-0437-9
dc.identifier.uri	http://hdl.handle.net/2117/89432
dc.language.iso	eng
dc.relation	http://link.springer.com/article/10.1007%2Fs11440-016-0437-9
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de roques
dc.subject	Gravel--Testing
dc.subject	Dilatancy
dc.subject	Gravel
dc.subject	Plasticity
dc.subject	Relative humidity
dc.subject	Rockfill
dc.subject	Triaxial tests
dc.subject	Yield surfaces
dc.subject	Grava
dc.title	Yielding of rockfill in relative humidity-controlled triaxial experiments
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	The final publication is available at Springer via http://dx.doi.org/10.1007/s11440-016-0437-9
dc.description.abstract	The paper reports the results of suction controlled triaxial tests performed on compacted samples of two well graded granular materials in the range of coarse sand-medium gravel particle sizes: a quartzitic slate and a hard limestone. The evolution of grain size distributions is discussed. Dilatancy rules were investigated. Dilatancy could be described in terms of stress ratio, plastic work input and average confining stress. The shape of the yield locus in a triaxial plane was established by different experimental techniques. Yielding loci in both types of lithology is well represented by approximate elliptic shapes whose major axis follows approximately the Ko line. Relative humidity was found to affect in a significant way the evolution of grain size distribution, the deviatoric stress-strain response and the dilatancy rules.
dc.description.abstract	Peer Reviewed

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