基于熵权法和物元分析的采空区危险性评价研究  

Underground Goaf Risk Evaluation Based on Entropy Weight and Matter Element Analysis

作　　者：王新民[1] 柯愈贤[1] 鄢德波[1] 王石[1] 

机构地区：[1]中南大学资源与安全工程学院

出　　处：《中国安全科学学报》2012年第6期71-78,共8页China Safety Science Journal

基　　金："十一五"国家科技支撑计划课题(2008BAB32B03)

摘　　要：为了更精确合理地评价采空区危险性,针对采空区危险性评价中涉及的各因素复杂性和不相容性特点,运用熵权法与物元分析建立采空区危险性评价模型。从地质条件和工程实际出发,考虑采空区稳定性的14项影响因素,基于多指标优化融合的思想,通过物元变换建立采空区危险性评价的物元体系,计算评价指标对评价等级的关联度,引入熵权法确定评价指标的权重,然后根据采空区危险性对评价等级的关联度确定采空区危险性等级。将该方法用于评价湖南冷水江锡矿山8个采空区的危险性,得出其危险性等级分别为Ⅲ级、Ⅲ级、Ⅲ级、Ⅱ级、Ⅱ级、Ⅱ级、Ⅳ级和Ⅳ级,该评价结果与实际情况相符。In order to evaluate underground goaf risk more accurately and reasonably, an underground goal risk evaluation model which considered the complexity and incompatibility of factors in the evaluation was built based on the entropy weight and matter element analysis. Considering the geologic condition and engineering status of underground goaf, 14 factors influencing the stability of underground goal and the thought of multiple indexes optimal fusion were taken into account. The matter element system of under- ground goal risk evaluation was established based on the matter element transform. Then, the correlation degrees of the evaluation indexes with evaluation levels were calculated. The weights of evaluation indexes were determined by using entropy weight method. Thus, the levels of underground goals were determined through the correlation degrees of underground goal risk with evaluation levels. Furthermore, this model was applied to evaluate 8 underground goafs in Xi mine in results accord closely with the actual situation. Lengshuijiang, Hunan province. The evaluation

关 键 词：采矿工程 采空区 危险性评价 熵权 物元分析法 关联度 

分 类 号：X913.4[环境科学与工程—安全科学]