Three-Dimensional Slope Stability Charts for Frictional Fill Materials Placed on Purely Cohesive Clay

AbstractThis paper investigates slope stability and produces a set of stability charts for three-dimensional (3D) slopes for a specific case in which frictional fill materials are placed on purely cohesive clay. As slopes are not usually plane strain in nature and are influenced by physical boundari...

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Bibliographic Details
Published in:International journal of geomechanics 2016-04, Vol.16 (2)
Main Authors: Lim, K, Lyamin, A. V, Cassidy, M. J, Li, A. J
Format: Article
Language:English
Subjects:
Charts
Clay (material)
Cohesion
Slope stability
Slopes
Stability
Technical Papers
Three dimensional
Two dimensional
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Summary:AbstractThis paper investigates slope stability and produces a set of stability charts for three-dimensional (3D) slopes for a specific case in which frictional fill materials are placed on purely cohesive clay. As slopes are not usually plane strain in nature and are influenced by physical boundaries, this study uses a 3D analysis using the finite-element LB limit analysis method. Stability charts are convenient tools for geotechnical engineers during design in practice. For comparison purposes, the results from two-dimensional (2D) analyses are also discussed. The results from this study quantify the increase in the factors of safety obtained when 3D conditions are analyzed as opposed to the more traditional 2D.
ISSN:1532-3641
1943-5622
DOI:10.1061/(ASCE)GM.1943-5622.0000526