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科技导报  2014 

基于层次分析法的复合煤层露天矿初始拉沟位置确定

DOI: 10.3981/j.issn.1000-7857.2014.30.013, PP. 74-79

Keywords: 层次分析法,拉沟位置,拉沟方案,优化比选

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Abstract:

露天矿合理拉沟位置的确定对露天矿生产接续、剥采比控制具有重要影响.本文应用层次分析的基本决策理论,建立露天矿拉沟位置方案综合评价分析模型,结合内蒙古宝日希勒露天煤矿煤层赋存情况及开采现状,分析了三采区上部煤层采空区重新拉沟、开采下部煤层的可行性及必要性.依据露天矿拉沟位置的选择原则以及该矿的特殊地质地形条件,设计两个拉沟位置方案,分别分析各因素对下部煤层拉沟位置选择的影响.利用层次分析法,分析比较各方案的优缺点,最终确定出最合理的拉沟位置方案.结果表明,层次分析法的评价结果符合实际情况,且计算简单,具有较强的实用性.

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