石人沟露天转地下采矿方法优化选择

Optimal Selection of Mining Method of Transition from Open-pit to Underground Mining in Shirengou

针对石人沟露天转地下这一特殊开采环境,运用层次分析法和模糊数学的基本原理对多种采矿方法进行评判优选。评判优选过程中,综合考虑了影响露天转地下采矿方法的各项指标,如技术、经济指标及边坡稳定程度等;将待选择方案指标转换成隶属度矩阵,通过层次分析法得到各因素权重向量,从而建立模糊综合评判模型;利用模糊数学原理计算出各方案基于影响因素的综合优越度,从而确定第3种方案最优。

Based on the specific mining environment of the transition from open-pit to underground in Shirengou mining model,the AHP and the Fuzzy mathematics methods fundamental theory were used to make a synthetic assessment.During this process,lots of dynamic and static,fix and non-fix quantified influence factors working on the mining method were taken into synthetic account,such as the technical and economic factors and degree of slope stability etc.The influence factor indexes of the mining methods were transformed into the matrix of the membership degrees;the weight of the influence factors matrix was established according to the AHP method.With the weights matrix and the matrix of the membership degrees,the Fuzzy synthetic judge model was established,and the synthetic superior degree of the mining methods based on the influence factors was got by the numeration with the Fuzzy mathematics methods,so the third mining model comes to the first place.