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Variational Stability Analysis of Cohesive Slope by Applying Boundary Integral Equation Method

  • L.-Y. Wu (a1) and Y.-F. Tsai (a2)
Abstract

Applying the concept of minimum potential energy and the variational method proposed in this paper, one can derive the governing equation and transversality conditions for the critical slip surface of a cohesive land slope described by simplified Janbu's model where both horizontal and vertical inter-slice forces are neglected. The governing equation, transversality conditions and boundary conditions were solved by the boundary integral equation method, which is a one dimensional BIEM, so that the critical slip surface and its associated minimal factor of safety can be determined effectively. By comparison of the results gotten from the boundary integral equation method and other numerical methods, it can be concluded, that, for some simplified cases, by using the boundary integral equation method on slope stability analysis of a cohesive land slope, a more reasonable result can be obtained.

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COPYRIGHT: © The Society of Theoretical and Applied Mechanics, R.O.C. 2005
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References
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Journal of Mechanics
  • ISSN: 1727-7191
  • EISSN: 1811-8216
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