(1. 武汉科技大学 资源与环境工程学院，武汉 430081；
2. 中钢集团马鞍山矿山研究总院股份有限公司，马鞍山 243000；
3. 冶金矿产资源高效利用与造块湖北省重点实验室，武汉 430081)
摘 要: 应用未确知测度理论，建立了露天矿山边坡稳定性评价模型。根据影响露天矿山边坡稳定性的成因，建立了露天矿山边坡稳定性评价体系。通过调查，选取了10项指标作为未确知测度函数评判指标。然后，构建单指标未确知测度函数，运用熵权法确定评价指标权重，采用距离判别法作为属性识别准则。利用建立的评价模型对某深凹露天矿北部边坡的稳定性进行了评价。结果表明：评价结果与实际情况一致，说明了该评价方法的有效性，为矿山提供了一种简便、低成本的露天矿山边坡稳定性评价新方法。同时，该方法为改善边坡稳定性优先采取措施，提供了科学依据。
关键字: 露天矿；边坡稳定性；未确知测度；熵权法；距离判别
（1. School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, China;
2. Sinosteel Ma’anshan General Institute of Mining Research Co., Ltd., Ma’anshan 243000, China;
3. Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan 430081, China）
Abstract:The unascertained theory was applied to establish the evaluation model of slope stability in open-pit mines. According to the cause of influencing the slope stability of open-pit mines, an evaluation system of slope stability of open-pit mines was established, and 10 factors were selected as the evaluation indexes of unascertained measurement function. Then, the unascertained measurement functions of single index were constructed, and the entropy method was used to determine the weights of evaluation index. Distance discriminant was adopted as the criterion of attribute recognition. By using the established evaluation model, the stability of the northern slope of a mine was evaluated. The results show that the evaluation results are consistent with the actual situation, providing a new method for the mines to evaluate the stability of the open pit mine slope. Besides, the method provides a scientific basis for taking priority measures to improve the stability of slope.
Key words: open pit mines; slope stability; uncertainty measurement; entropy method; distance discriminant
