Effectiveness of horizontal drains for slope stability

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Effectiveness of horizontal drains for slope stability

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dc.contributor.author Rahardjo, Harianto
dc.contributor.author Hritzuk, K. J.
dc.contributor.author Leong, Eng Choon
dc.contributor.author Rezaur, R. B.
dc.date.accessioned 2011-12-08T08:52:53Z
dc.date.available 2011-12-08T08:52:53Z
dc.date.copyright 2003
dc.date.issued 2011-12-08
dc.identifier.citation Rahardjo, H., Hritzuk, K. J., Leong, E. C., & Rezaur, R. B. (2003). Effectiveness of Horizontal Drains for Slope Stability. Engineering Geology, 69(3-4), 295-308.
dc.identifier.uri http://hdl.handle.net/10220/7368
dc.description.abstract Horizontal drains have been commonly used in stabilising unsaturated residual soil slopes. This study examines the effectiveness of horizontal drains in stabilising residual soil slopes against rainfall-induced slope failures under a tropical climate. The study includes field instrumentation at two residual soil slopes complemented with a parametric study relating to drain position. Field monitoring results indicate that rainfall infiltration is limited to a certain depth below which infiltration becomes insignificant. This zone tends to be unsuitable for horizontal drains. Horizontal drains were found to be most effective when located at the base of a slope. The parametric study indicated conditions under which horizontal drains are effective or ineffective in improving the stability of a slope. It was also found that horizontal drains have little role in minimising infiltration in an unsaturated residual soil slope. Benefits of using horizontal drains can be obtained through the lowering of the water table.
dc.language.iso en
dc.relation.ispartofseries Engineering geology
dc.rights © 2003 Elsevier Ltd.
dc.subject DRNTU::Engineering::Civil engineering::Geotechnical
dc.title Effectiveness of horizontal drains for slope stability
dc.type Journal Article
dc.contributor.school School of Civil and Environmental Engineering
dc.identifier.doi http://dx.doi.org/10.1016/S0013-7952(02)00288-0
dc.description.version Accepted version

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