School of Civil Engineering University 400045;
Key Laboratory of New Technology for Construction of Cities in Mountain Area University 400045;
National Joint Engineering Research Center of Geohazards Prevention in the Reservoir Areas University 400045;
Politecnico di Milano of Civil and Environmental Engineering Leonardo da Vinci 32 20134;
Random finite difference method; Reliability Assessment; Slope failure; Anisotropic spatial variability; Monte Carlo simulation;