中文摘要：

鉴于传统的确定性抗剪强度参数反演方法未能考虑岩土参数的随机性和不确定性对边坡稳定性的影响,文中将可靠度分析方法和极限分析上限法相结合,提出一种简单、实用的滑坡强度参数可靠度反演新方法,并通过工程应用实例验证了该方法的可行性和有效性.结果表明,该方法不仅考虑了岩土参数的随机性和不稳定性,还可解决单一滑动面的强度参数反演计算问题.同时,文中还分析了相关系数对滑坡抗剪强度参数反演结果及可靠度的影响,发现抗剪强度参数的互相关性会导致可靠度指标趋于保守.

英文摘要：

As the traditional deterministic back analysis methods fail to consider the influence of randomness and uncertainty of geotechnical parameters on the slope stability, a new parameter back analysis method with simplicity and practicality, which combines the upper bound method of limit analysis with the reliability theory, is proposed. Then, the feasibility and effectiveness of the proposed method are verified through an engineering application case. The results show that the proposed method not only takes into account the uncertainties and instability of the geotechnical parameters but also helps to implement the back calculation of the shear strength parameters of a slid- ing surface. Meanwhile, the effects of the correlation of shear strength parameters on the back analysis results and the reliability are analyzed, finding that ignoring the mutual-correlation between parameters may lead to a conserva- tive reliability index.