Reliability Analysis Based on Multi Sliding Surface Method

Abstract:

The reliability theory based analysis is more advanced and reasonable compared with the traditional methods for slope stability analysis. Limit equilibrium method is usually used to evaluate the stability of a slope. In this paper, a new reliability analysis method is obtained based on JC method and multi sliding surface method which a new limit equilibrium method developed by Huang. Then, this new method is applied for a wharf slope. The sliding surface get from the safety factor is not the same as that from reliability index though they are close to each other. The safety factor or reliability index get from Fellenius method is smaller than that from other method. The safety factor or reliability index get from multi sliding surface method is close to that from Bishops method. The reliability index can be more reasonable after the standard deviation of the soil property index is deduced with random field theory.

• Periodical: Applied Mechanics and Materials (Volumes 405-408)
• Pages: 576-579
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.405-408.576
• Online since: September 2013
• Authors: Yong Hua Cao*, Chuan Zhi Huang
• Keywords: Limit Equilibrium Method, Multi Sliding Surface Method, Reliability Analysis, Slope Stability Analysis

References

[1] Huang Chuanzhi: Theory and application of limit analysis for soil, (Beijing: Transport Publishing, 2007). (in chinese).

[2] Chen W F: Limit analysis and soil plasticity, (York: Elsevier Scientific Publishing Co, 1975).

[3] Fellenius W: Trans 2nd Int Congr Large Dams(1936).

[4] Bishop A. W.: Geotechnique, Vol. 5(1955), p.7.

[5] Vanmarcke Erik H: Journal of the Geotechnical Engineering Division, ASCE, Vol. 103(1977), p.1227.