Failure Mechanism and Stability Analysis of Rock Slope by Ke Zhang

Author:Ke Zhang
Language: eng
Format: epub
ISBN: 9789811557439
Publisher: Springer Singapore

Malkawi et al. (2000) employed four slope stability methods, including Fellenius, Bishop, Janbu, and Spencer’s methods, to establish the limit state function. Tan et al. (2005) also studied this slope by finite element method of small and large deformation. As is shown in Table 5.10, the mean factor of safety calculated by KEM lies between ones calculated by FEM of small deformation and large deformation, and is appreciably higher than limit equilibrium methods, but the relative difference is less than 10%. The time of KEM for calculating safety factor is about 1.5 s, which has fast computational speed.Table 5.10Comparison of results for reliability index of Example 1

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