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qian mai shen te hou mei ceng zong fang kai cai kuang ya gui lv jian ce yu fen xi
Pages: 134-136
Year: Issue:  11
Journal: Safety in Coal Mines

Keyword:  浅埋深厚煤层来压步距动栽系数;
Abstract: 昌恒煤焦有限公司9101工作面煤层为特厚煤层,埋深浅且赋存条件稳定,工作面采用走向长壁综合机械化放顶煤开采。作为整合后矿井的首个综放工作面,研究其顶板压力显现规律非常重要。通过现场监测,结合矿山压力与岩层控制理论。对9101综放工作面初采期间矿压规律进行分析,并结合支架受力状况,分析了9101综放工作面初采期间顶板来压的规律和特征,为矿井接替工作面的安全高效回采提供了科学依据。
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