Drying and wetting characteristics of a two-layer soil column

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Drying and wetting characteristics of a two-layer soil column

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dc.contributor.author Indrawan, I. Gde Budi
dc.contributor.author Rahardjo, Harianto
dc.contributor.author Leong, Eng Choon
dc.date.accessioned 2011-12-06T07:04:47Z
dc.date.available 2011-12-06T07:04:47Z
dc.date.copyright 2007
dc.date.issued 2011-12-06
dc.identifier.citation Indrawan, I. G. B. , Rahardjo, H., & Leong, E. C. (2007). Drying and Wetting Characteristics of a Two-Layer Soil Column. Canadian Geotechnical Journal, 44(1), 20-32.
dc.identifier.uri http://hdl.handle.net/10220/7332
dc.description.abstract The drying and wetting characteristics of a two-layer soil column consisting of a 50 cm thick soil mixture over a 50 cm thick gravelly sand were investigated in this study. A series of infiltration tests were conducted in the laboratory through an infiltration column apparatus equipped with a tensiometer–transducer system, time-domain reflectometry, and water flow measurement system. Numerical analyses were performed using a finite element model to simulate water infiltration into the laboratory model under steady-state and transient conditions. The experimental data and numerical simulation results showed that static nonequilibrium profiles of pore-water pressure head were developed in the gravelly sand shortly after a drying process was started. The low unsaturated permeability of the gravelly sand resulted in a delay in downward water flow into the lower soil layer during a wetting process portion of the rainfall test.
dc.language.iso en
dc.relation.ispartofseries Canadian geotechnical journal
dc.rights © 2007 Canadian Science Publishing
dc.subject DRNTU::Engineering::Civil engineering::Geotechnical
dc.title Drying and wetting characteristics of a two-layer soil column
dc.type Journal Article
dc.contributor.school School of Civil and Environmental Engineering
dc.identifier.doi http://dx.doi.org/10.1139/t06-090
dc.description.version Accepted version

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