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Pore-water pressure and water volume change of an unsaturated soil under infiltration conditions

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Pore-water pressure and water volume change of an unsaturated soil under infiltration conditions

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dc.contributor.author Meilani, Inge
dc.contributor.author Rahardjo, Harianto
dc.contributor.author Leong, Eng Choon
dc.date.accessioned 2011-12-09T01:35:50Z
dc.date.available 2011-12-09T01:35:50Z
dc.date.copyright 2005
dc.date.issued 2011-12-09
dc.identifier.citation Meilani, I., Rahardjo, H., & Leong, E. C. (2005). Pore-water Pressure and Water Volume Change of an Unsaturated Soil under Infiltration Conditions. Canadian Geotechnical Journal, 42(6), 1509–1531.
dc.identifier.uri http://hdl.handle.net/10220/7373
dc.description.abstract Triaxial shearing infiltration tests were conducted to study the pore-water pressure and volume change of unsaturated soils subjected to infiltration conditions. A modified triaxial apparatus with three Nanyang Technological University (NTU) mini suction probes along the specimen height was used for the experimental program. Elastic moduli were obtained for the soil structure with respect to changes in net confining pressure (E) and matric suction (H). Water volumetric moduli associated with changes in net confining pressure (Ew) and matric suction (Hw) were also obtained from the shearing infiltration tests. Water volumetric strain and pore-water pressure during the shearing infiltration tests were computed based on volume change theory. This paper presents the significance of obtaining the parameter Hw from an appropriate scanning curve of a soil-water characteristic curve (SWCC) for the computation of water volumetric strain and pore-water pressure changes during a shearing infiltration test. The appropriate scanning curve should be obtained from the wetting curve of the SWCC at the matric suction where the infiltration test commences.
dc.language.iso en
dc.relation.ispartofseries Canadian geotechnical journal
dc.rights © 2005 Canadian Science Publishing
dc.subject DRNTU::Engineering::Civil engineering::Geotechnical.
dc.title Pore-water pressure and water volume change of an unsaturated soil under infiltration conditions
dc.type Journal Article
dc.contributor.school School of Civil and Environmental Engineering
dc.identifier.doi http://dx.doi.org/10.1139/t05-066
dc.description.version Accepted version

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