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目前,美国在进行露天矿边坡稳定性分析时,多采用“不稳定概率法”。除美国外,还在加拿大、英国等得到使用。在边坡稳定性分析中,所引用的概率论,其实质就是在大量随机取样的基础上,研究大量随机现象的规律性。即,用数学统计方法得出影响边坡不稳定性的规律(如:各随机变量的分布函数等),进而判断边坡的稳定程度。用这种方法设计边坡的主要工作内容是:调查、收集、统计水文地质资料;岩石力学试验研究;基建矿山边坡稳定性分析和
At present, the United States in the open pit slope stability analysis, the use of “unstable probability method.” In addition to the United States, but also in Canada, Britain, etc. are used. In the analysis of slope stability, the essence of the probability theory quoted is to study the regularity of a large number of random phenomena on the basis of a large number of random samples. In other words, the law of slope instability (such as the distribution function of each random variable, etc.) is obtained by mathematical statistics, and then the stability of the slope is judged. The main work contents of slope design with this method are: investigation, collection and statistics of hydrogeological data; rock mechanics experimental study; stability analysis of infrastructure mine slope and