开滦矿区近距离煤层群上行开采可行性判别研究
首发时间:2011-04-07
摘要:本文以开滦矿区近20年来上行开采实例为基础数据,对上行开采的影响因素和上行开采可行性评价指标的定量化表达进行了研究。在此基础上利用多元回归分析方法,以直接顶初次垮落步距、时间间隔、采动影响系数等为自变量,以上煤层破坏程度为因变量,建立了开滦矿区近距离煤层群上行开采可行性判据。研究结果对于近距离煤层群上行开采具有一定的指导意义。
关键词: 采矿工程 上行开采 判别准则 破坏程度 多元回归分析
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The feasibility criterion of closed multiple-seam overmining in Kailuan mining area
Abstract:Overmining instance data collected in Kailuan mining area at past 20 years are given. The effect factors and feasibility evaluation index of overmining and their quantificational expressing are studied. Then, using multiple regression analysis, take initial caving interval of immediate roof, time lapse, coefficient of mining as independent variables, damage rating as the dependent variable, establishing feasibility criterion of closed multiple-seam overmining of Kailuan mining area. The results could give some guidance for closed multiple-seam overmining.
Keywords: Mining Engeering overmining feasibility criterion damage rating multiple regression analysis
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开滦矿区近距离煤层群上行开采可行性判别研究
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