Reliability analysis and design of slope stability of earth-rock dam
Ming Zhang · Journal of Hydroelectric Engineering · 2006
Considering the unadvanced analysis and design of earth-rock dam at present,the main problems in the stability reliability analysis and design of earth-rock dams are studied in detail in this paper based on the probability statistics and the theory of structural reliability.These problems include the statistical method and the statistical characteristics of the shearing strength parameters,i.e.the cohesion and internal fraction angle,the method for analyzing the slopestability reliability of earth-rock dam,the evaluation of the standard values and the partial coefficients in design expression.All these discussions are illuminated with illustrative engineering examples.In addition,this paper presents the implementation procedure of Monte Carlo method for searching the critical slip surface and computing the minimum reliability index,and proposes the method of computing structural coefficient by the relation between safety factor and reliability index.