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Reliability of spatially variable soil slope based on nonlinear failure criterion

Author

Listed:
  • Yukuai Wan

    (Ningxia University
    Ministry of Education)

  • Xinyue Gao

    (Ningxia University
    Ministry of Education)

  • Di Wu

    (Suzhou University of Science and Technology)

  • Lei Zhu

    (Ningxia University
    Ministry of Education)

Abstract

The reliability analysis of slope under the nonlinear failure criterion is investigated in this paper. The two-dimensional random fields are generated by using Karhunen–Loève (KL) expansion method. Based on the generated random fields, the simplified Bishop’s method with nonlinear failure criterion is used to calculate the factor of safety. Then, Monte Carlo simulation is used to estimate the reliability of slope. Example analyses are carried out to verify the presented method. The effect of the nonlinearity coefficient m on the failure probability of slope is investigated in this paper. The results show that the failure probability obtained by using the nonlinear failure criterion is higher than that calculated by using linear Mohr–Coulomb criterion.

Suggested Citation

  • Yukuai Wan & Xinyue Gao & Di Wu & Lei Zhu, 2023. "Reliability of spatially variable soil slope based on nonlinear failure criterion," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 117(1), pages 1179-1189, May.
    • Handle: RePEc:spr:nathaz:v:117:y:2023:i:1:d:10.1007_s11069-023-05868-4
    DOI: 10.1007/s11069-023-05868-4
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