基于集对分析同一度的矿井设计方案
Mine Design Plan Based on Set Pair Analysis Identical Degree
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摘要: 采用集对分析同一度法,以某矿六采区第四系巨厚松散含水层下煤炭开采为例,根据可供选择的7种开采方案,优选出防水煤岩柱高度设计值、月度产量、吨煤开采成本、采出率4个评价指标,对这4个评价指标进行综合分析,确定出1个最优评价集,详细论述了各个方案与最优评价集的贴近度计算过程,选取贴近度值最大的方案作为最佳方案,确定了不同防水煤岩柱高度下对应的最优开采方案。结果显示该方法的评价结果与多目标决策法的评价结果是一致的。Abstract: Using the method of set pair analysis identical degree, taking a coal mine mining in No.6 Minig Area under super thick unconsolidated stratum of the Quaternary as an example, the article selected four evaluation indexes including waterproof pillar's vertical height, monthly production, coal costs per ton, and mining recovery according to seven alternative mining methods, and identified an optimal evaluation sets through evaluating the four evaluation indexes comprehensively, and calculated the closeness degree of various methods and the optimal evaluation sets. The mining method with big closeness degree is the best plan. Based on this, the article got the best mining method under different waterproof pillar's vertical heights. It is shown that the result of the evaluation by set pair analysis is well consistent with that by multi-objective decision.
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Keywords:
- set pair analysis /
- identical degree /
- closeness degree /
- mining under aquifer /
- mining scheme
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