Mostra el registre d'ítem simple
An insight into the water retention properties of compacted clayey soils
dc.contributor.author | Romero Morales, Enrique Edgar |
dc.contributor.author | Della Vecchia, G. |
dc.contributor.author | Jommi, Cristina |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica |
dc.date.accessioned | 2011-09-21T10:00:40Z |
dc.date.available | 2011-09-21T10:00:40Z |
dc.date.created | 2011-04 |
dc.date.issued | 2011-04 |
dc.identifier.citation | Romero, E.; Della Vecchia, G.; Jommi, C. An insight into the water retention properties of compacted clayey soils. "Géotechnique", Abril 2011, vol. 61, núm. 4, p. 313-328. |
dc.identifier.issn | 0016-8505 |
dc.identifier.uri | http://hdl.handle.net/2117/13278 |
dc.description.abstract | Experimental data from different testing methodologies on different compacted clayey soils, with dominant bimodal pore size distribution, are presented and analysed, to provide a comprehensive picture of the evolution of the aggregated fabric along hydraulic and mechanical paths. Fabric changes are analysed both from the porous network viewpoint, by means of careful mercury intrusion porosimetry investigation, and from the soil skeleton viewpoint, by quantifying swelling and shrinkage of the aggregates in an environmental scanning electron microscopy study. The consequences of the aggregated fabric evolution on the water retention properties of compacted soils are analysed and discussed. A new model for water retention domain is proposed, which introduces a dependence of the intra-aggregate pore volume on water content. The model succeeds in tracking correctly the evolution of the hydraulic state of the different soils investigated along generalised hydromechanical paths. The proposed approach brings to light coupling between intra-aggregate and inter-aggregate pores in the retention properties of compacted clayey soils. Dependence of the air entry and the air occlusion values on swelling and shrinking of aggregates, besides void ratio, is introduced and discussed. |
dc.format.extent | 16 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia |
dc.subject.lcsh | Clay soils -- Permeability |
dc.title | An insight into the water retention properties of compacted clayey soils |
dc.type | Article |
dc.subject.lemac | Terrenys -- Compactació |
dc.subject.lemac | Argila -- Permeabilitat |
dc.contributor.group | Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://www.icevirtuallibrary.com/content/article/10.1680/geot.2011.61.4.313 |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 5599133 |
dc.description.version | Postprint (published version) |
local.citation.author | Romero, E.; Della Vecchia, G.; Jommi, C. |
local.citation.publicationName | Géotechnique |
local.citation.volume | 61 |
local.citation.number | 4 |
local.citation.startingPage | 313 |
local.citation.endingPage | 328 |
Fitxers d'aquest items
Aquest ítem apareix a les col·leccions següents
-
Articles de revista [239]
-
Articles de revista [280]