Effect of loading and suction history on time dependent deformation of crushed granular aggregates

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica
dc.contributor	Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques
dc.contributor.author	Romero Morales, Enrique Edgar
dc.contributor.author	Alvarado de Menéndez, Clara Elena
dc.contributor.author	Alonso Pérez de Agreda, Eduardo
dc.date	2012
dc.identifier.citation	Romero, E.; Alvarado, C.; Alonso, E. Effect of loading and suction history on time dependent deformation of crushed granular aggregates. A: International Workshop Advances in Multiphysical Testing of Soils and Shales. "Multiphysical Testing of Soils and Shales". Lausanne: Springer, 2012, p. 99-104.
dc.identifier.citation	978-3-642-32492-5
dc.identifier.citation	10.1007/978-3-642-32492-5_9
dc.identifier.uri	http://hdl.handle.net/2117/18711
dc.language.iso	eng
dc.publisher	Springer
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de roques
dc.subject	Rock mechanics
dc.subject	Mecànica de roques
dc.title	Effect of loading and suction history on time dependent deformation of crushed granular aggregates
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	The paper presents the results of an experimental investigation aimed at evaluating the time-dependent compressibility of a coarse crushed quartzitic slate, focusing on the effects of the previous loading and hydraulic history. Long-term and large diameter compression tests under oedometer conditions were performed at different relative humidity (total suctions) and vertical stresses but following different loading and hydraulic paths. A finding is that pre-compressing at increasing overconsolidation ratios or pre-soaking the crushed material at constant and elevated stresses leads to the progressive vanishing of long-term deformations.

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