Geomechanics and Engineering

  • 제15권6호
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  • Pages.1183-1191
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  • 2018
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  • 2005-307X(pISSN)
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  • 2092-6219(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Reliability analysis of three-dimensional rock slope

  • Yang, X.L. (School of Civil Engineering, Central South University) ;
  • Liu, Z.A. (School of Civil Engineering, Central South University)
  • 투고 : 2017.10.21
  • 심사 : 2018.04.13
  • 발행 : 2018.08.30
⟨ 이전 논문 다음 논문 ⟩

초록

Reliability analysis is generally regarded as the most appropriate method when uncertainties are taken into account in slope designs. With the help of limit analysis, probability evaluation for three-dimensional rock slope stability was conducted based upon the Mote Carlo method. The nonlinear Hoek-Brown failure criterion was employed to reflect the practical strength characteristics of rock mass. A form of stability factor is used to perform reliability analysis for rock slopes. Results show that the variation of strength uncertainties has significant influence on probability of failure for rock slopes, as well as strength constants. It is found that the relationship between probability of failure and mean safety factor is independent of the magnitudes of input parameters but relative to the variability of variables. Due to the phenomenon, curves displaying this relationship can provide guidance for designers to obtain factor of safety according to required failure probability.

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피인용 문헌

  1. 3D Rotational Failure Mechanism of Tunnel Face in Weathered and Saturated Hoek-Brown Rock Masses vol.23, pp.6, 2019, https://doi.org/10.1007/s12205-019-1048-4
  2. Stability Analysis of the Left Bank Slope of Baihetan Hydropower Station Based on the MF-DFA Method vol.2020, pp.None, 2018, https://doi.org/10.1155/2020/8898318
  3. Slope hybrid reliability analysis considering the uncertainty of probability-interval using three-parameter Weibull distribution vol.105, pp.1, 2018, https://doi.org/10.1007/s11069-020-04323-y
  4. Upper Bound Analysis of the Stability of 3D Slopes in the Saturated Soft Clay Subjected to Seismic Effect vol.9, pp.None, 2018, https://doi.org/10.3389/feart.2021.795854
  5. Discontinuous rock slope stability analysis by limit equilibrium approaches - a review vol.14, pp.12, 2018, https://doi.org/10.1080/17538947.2021.1988163