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Stability Charts for 3D Failures of Homogeneous Slopes
A three-dimensional (3D) kinematically admissible rotational failure mechanism is extended from toe failure to include face failure and base failure for homogeneous slopes in both purely cohesive and frictional/cohesive soils. In the strict framework of limit analysis, an analytical approach is derived to obtain the upper bounds on slope stability and the corresponding type of the critical failure mechanism. Compared with the available results from the finite-element limit-analysis method, the 3D rotational failure mechanisms give the best estimate on the upper bound. A set of stability charts is presented in a wide range of parameters for 3D homogeneous slopes under both static and pseudostatic seismic loading conditions. This set is useful in assessing the safety of the 3D homogeneous slopes in practical applications.
Stability Charts for 3D Failures of Homogeneous Slopes
A three-dimensional (3D) kinematically admissible rotational failure mechanism is extended from toe failure to include face failure and base failure for homogeneous slopes in both purely cohesive and frictional/cohesive soils. In the strict framework of limit analysis, an analytical approach is derived to obtain the upper bounds on slope stability and the corresponding type of the critical failure mechanism. Compared with the available results from the finite-element limit-analysis method, the 3D rotational failure mechanisms give the best estimate on the upper bound. A set of stability charts is presented in a wide range of parameters for 3D homogeneous slopes under both static and pseudostatic seismic loading conditions. This set is useful in assessing the safety of the 3D homogeneous slopes in practical applications.
Stability Charts for 3D Failures of Homogeneous Slopes
Gao, Yufeng (author) / Zhang, Fei (author) / Lei, G. H. (author) / Li, Dayong (author) / Wu, Yongxin (author) / Zhang, Ning (author)
Journal of Geotechnical and Geoenvironmental Engineering ; 139 ; 1528-1538
2012-11-20
112013-01-01 pages
Article (Journal)
Electronic Resource
English
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