Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/87466
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dc.contributor.authorQi, Xiao-Huien
dc.contributor.authorLi, Dian-Qingen
dc.date.accessioned2019-05-22T08:20:25Zen
dc.date.accessioned2019-12-06T16:42:31Z-
dc.date.available2019-05-22T08:20:25Zen
dc.date.available2019-12-06T16:42:31Z-
dc.date.issued2018en
dc.identifier.citationQi, X.-H., & Li, D.-Q. (2018). Effect of spatial variability of shear strength parameters on critical slip surfaces of slopes. Engineering Geology, 239, 41-49. doi:10.1016/j.enggeo.2018.03.007en
dc.identifier.issn0013-7952en
dc.identifier.urihttps://hdl.handle.net/10356/87466-
dc.description.abstractCritical slip surface (CSS) of slopes is useful information in system reliability analyses and risk assessments of slopes. This paper investigates the effect of spatial variability of shear strength parameters on the CSS distribution of a two-dimensional slope using a finite element stress-based slope stability method. The failure mechanics for typical CSSs in a heterogeneous slope are analyzed and distributions of CSS for various combinations of horizontal and vertical scales of fluctuation (SOFs) are evaluated. The results show that local failures may occur in statistically homogeneous slopes, which cannot be observed in deterministic slope stability analyses. The distribution range of CSS first increases and then decreases with an increasing scale of fluctuation. As the ratio of horizontal SOF to vertical SOF is large, local failures have entry points located at the top of a slope. By contrast, as the ratio of horizontal SOF to vertical SOF is relatively small, local failures have entry points located either at the top of a slope or on the slope surface. The findings facilitate a more accurate evaluation of the system reliabilities or risks of slopes.en
dc.format.extent27 p.en
dc.language.isoenen
dc.relation.ispartofseriesEngineering Geologyen
dc.rights© 2018 Elsevier B.V. All rights reserved. This paper was published in Engineering Geology and is made available with permission of Elsevier B.V.en
dc.subjectCritical Slip Surfaceen
dc.subjectDRNTU::Engineering::Civil engineeringen
dc.subjectSlope Stabilityen
dc.titleEffect of spatial variability of shear strength parameters on critical slip surfaces of slopesen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen
dc.identifier.doi10.1016/j.enggeo.2018.03.007en
dc.description.versionAccepted versionen
item.grantfulltextopen-
item.fulltextWith Fulltext-
Appears in Collections:CEE Journal Articles

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