一、引言作为石灰石等矿山大规模露天开采后形成的大型岩体边坡稳定性的一种评价方法,作者计算了断面内各部位岩体滑动破坏的局部安全系数。提出了所谓用该定量数值分布来表示稳定性的新概念。关于这个问题过去曾有过论述。虽然伴随开采作业形成的大型边坡,目前不一定存在,但是,倘若不确保各开采阶段的稳定性,不言而喻,就不能进行采矿作业。为了研究未来可能发生的大型边坡的稳定性问题,除对静态自重进 I. INTRODUCTION As an evaluation method for the stability of large rock mass slopes formed after large-scale open-pit mining such as limestone, the authors calculate the local safety factor of rock mass sliding failure in various parts of the cross-section. The so-called new concept of expressing the stability with this quantitative numerical distribution is proposed. There have been discussions on this issue in the past. Although large-scale slope accompanying the mining operation may not exist at present, mining operations can not be carried out without ensuring the stability of each mining stage. In order to study the stability problems of large slopes that may occur in the future, in addition to the static self-tolerance