木瓜矿上行开采可行性论证
HEILONGJIANG SCIENCE AND TECHNOLOGY INFORMATION(2009)
Abstract
运用比值判别法、数理统计分析法、"三带"判别法和围岩平衡法对对木瓜矿5号煤的上行开采进行了可行性分析,研究结果表明,5号煤层位于9号煤开采形成的上覆岩层弯曲下沉带内,55m的层间距可以满足上行开采的条件要求,可以采用上行式方法进行开采.
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