Articles | Volume 15, issue 10
Nat. Hazards Earth Syst. Sci., 15, 2227–2240, 2015
https://doi.org/10.5194/nhess-15-2227-2015
Nat. Hazards Earth Syst. Sci., 15, 2227–2240, 2015
https://doi.org/10.5194/nhess-15-2227-2015

Research article 08 Oct 2015

Research article | 08 Oct 2015

Three-dimensional slope stability problem with a surcharge load

Y. M. Cheng1, N. Li1, and X. Q. Yang2 Y. M. Cheng et al.
  • 1Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, Hong Kong, China
  • 2Building and Construction Department, Guangdong University of Technology, Guangzhou, China

Abstract. A semi-analytical solution for the three-dimensional stability analysis of the ultimate uniform patched load on top of a slope is developed by the limit analysis using kinematically admissible failure mechanisms. The failure mechanism which is assumed in the analytical solution is verified by three-dimensional strength reduction analyses and laboratory model test. Furthermore, the proposed method and the results are further compared with some published results for illustrating the applicability of the proposed failure mechanism.

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A semi-analytical solution for the 3-D stability analysis of the ultimate uniform patched load on top of a slope is developed by the limit analysis using kinematically admissible failure mechanisms. The failure mechanism which is assumed in the analytical solution is verified by three-dimensional strength reduction analyses and laboratory model test. Furthermore, the proposed method and the results are further compared with some published results for illustrating the applicability.
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