Abstract
Seismic action has a significant effect on slope stability, and the adverse effect of seismic action should be considered during slope stability analysis. The intensity and duration of an earthquake are random uncertainties. Therefore, there is a certain deviation in using the single safety factor method in analyzing the slope stability under earthquake action. In this paper, the Monte Carlo method was used to calculate the stability and reliability of a multi-stage high slope under earthquake action. By considering the shear strength parameters and seismic acceleration as random variables, the stability reliability and failure probability of multi-stage high slope were obtained. The results showed that the random uncertainty of seismic action had a significant adverse effect on slope stability. With the change in seismic acceleration, the slope reliability index decreased significantly and the failure probability increased. The stability reliability analysis method can be used to evaluate slope stability more accurately. The research results had a certain guiding effect on the stability analysis of multi-stage high slope under earthquake action.
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