| 谢桥煤矿13118工作面2#陷落柱及影响区的煤岩特征 |
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| 引用本文： | 张成.谢桥煤矿13118工作面2#陷落柱及影响区的煤岩特征[J].华北科技学院学报,2009,6(2):19-22. |
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| 作者姓名： | 张成 |
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| 作者单位： | 淮南矿业集团,安徽,淮南,232001 |
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| 摘 要： | 本文简单介绍了谢桥煤矿地质、水文地质条件；介绍了1^#、2^#陷落柱的概况；重点介绍了13118工作面下顺槽西段揭露的2。陷落柱及其影响带的煤岩层特征；说明了2^#陷落柱具有整体塌陷、柱体内部裂隙发育、裂隙较宽和联通性较好等、在煤层中柱体边界清晰、陷落柱影响带较宽等特征；初步分析了陷落柱发育的时间、原因。
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| 关 键 词： | 陷落柱 边界 煤岩层特征 |
The ingredient characteristic of 13118 working face of Xieqiao coal mine 2~# cave-in post and influence zone |
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| ZHANG Cheng.The ingredient characteristic of 13118 working face of Xieqiao coal mine 2~# cave-in post and influence zone[J].Journal of North China Institute of Science and Technology,2009,6(2):19-22. |
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| Authors: | ZHANG Cheng |
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| Institution: | Huainan Mining Group CO.;LTD.;Huainan Anhui 232001 |
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| Abstract: | The paper gave an outline of Xieqiao coal mining geology and hydro-geological conditions;It introduced the general situation of 1#and 2# cave-in post,introduced ingredient layer characteristic of 13118 working face lower back entry west segment exposed 2#cave-in post and influence zone with an emphasis.Explained 2#cave-in post which possess whole cave in,cylinder interior crevice upgrowth,crevice which possess rather wide and satisfactory connectivity etc,explain cave-in post at coal seam stelae body bounda... |
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| Keywords: | cave-in post boundary ingredient layer characteristic |
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