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yan kong jue xiang shi gong ying yong fen xi
Author(s): 
Pages: 7-9,76
Year: Issue:  3
Journal: Coal Mine Modernization

Abstract: 贵州黔西能源开发有限公司青龙煤矿设计120万t/a,该矿井主采煤层为M16、M18煤层,现正在回采M16煤层,M16煤层煤层平均厚度3.55m。该矿井11608轨道顺槽,设计长度1100m,巷道净尺寸为宽x高=3.8×2.7m,该顺槽上临11604运输顺槽,11606采煤工作面已经回采完毕,11608轨道顺槽施工属于沿空掘进。在掘进过程中,经过统分分析与论证,将煤柱宽度留设为5m,即保证了巷道施工...
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