【摘要】 合理确定矿山生产规模是露天转地下开采关键技术问题之一.以石人沟铁矿为研究对象,结合矿山具体情况提出了七个技术上可行的方案.综合考虑技术、经济和社会等因素对石人沟铁矿生产规模的影响,结合矿山实际,从现有规范、规程、标准出发,采用层次分析法与模糊综合评判理论构建了规模优化模型并进行选优,得到矿山露天转地下后地下合理规模为215万t.a-1.更多还原

【Abstract】 Rational determination of production capacity is one of the technical problems during turning open pit into underground mining.With Shirengou Iron Mine as the object,seven projects feasible in technology were brought forward in combination with its specific situation.Considering the integral effect of technical,economical and social factors on the production capacity and according to mining codes,standards and regulations,it is obtained by fuzzy comprehensive evaluation and analytic hierarchy process that the best production capacity of Shirengou Iron Mine during turning open pit into underground mining is 2 150 000 t·a-1.更多还原