某露天矿开采引起的岩体移动分析

Analysis of rock mass displacement due to mining operation in an open-pit mine

针对地下水影响下的露天矿开挖引起的岩体移动问题,基于模糊测度模型,导出数值计算公式。根据某露天矿山工程实际,分别采用模糊测度法(FMM)、随机介质法(RMM)进行计算和对比分析,理论计算结果表明模糊测度模型用于分析此类问题具有明显的优越性。

To address the problem of surface rock mass dis- placement caused by the open pit excavation under the influence of groundwater, the numerical calculation formula is deduced based on the fuzzy measuring model. Calculation and comparative analysis are made using fuzzy measure method （FMM） and sto- chastic medium method （RMM） in the light of the engineering practice of an open-pit mine. The theoretical results indicate the obvious superiority of the fuzzy measure model used to analyze the problem of surface rock mass displacement caused by the open pit mining under the influence of groundwater.