| “三软”不稳定突出煤层反揭煤实践 |
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| 引用本文： | 王维营,姜彦军,张宏军. “三软”不稳定突出煤层反揭煤实践[J]. 煤炭技术, 2006, 25(12): 44-45 |
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| 作者姓名： | 王维营 姜彦军 张宏军 |
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| 作者单位： | 1. 郑煤集团公司,河南,新密,452370
2. 郑煤集团公司,告成煤矿,河南,登封,452477 |
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| 摘 要： | 郑煤集团公司告成煤矿针对“三软”不稳定煤层在正常揭煤情况下存在的安全隐患及经济效益问题,采用反向揭煤法,从21021上副巷开口施工煤下山,由煤层逐渐过渡到全岩,然后完成21011车场的贯通工作。该方法具有缩短工期、安全效益好的特点,具有一定的借鉴和推广价值。
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| 关 键 词： | “三软” 突出煤层 反揭煤 |
| 文章编号： | 1008-8725(2006)12-0044-02 |
| 修稿时间： | 2006-07-25 |
Practice of Reverse Uncovering Coal in "three soft" Unsteady Outburst Risk Coal Seam |
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| WANG Wei-ying,JIANG Yan-jun,ZHANG Hong-jun. Practice of Reverse Uncovering Coal in "three soft" Unsteady Outburst Risk Coal Seam[J]. Coal Technology, 2006, 25(12): 44-45 |
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| Authors: | WANG Wei-ying JIANG Yan-jun ZHANG Hong-jun |
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| Abstract: | Aim at the safe hidden trouble and ecomomic benefit problem in the usual uncovering coal in "three soft" unsteady coal seam,the reverse uncovering coal is adopted.The coal down-hill is constructed from No.21021 upper secondary way to the rock,the linking work of No.21011 shunting yard is finished.The method has the short work period and good performance,and certain draw lessons from expansion value. |
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| Keywords: | " three soft" ,outburst risk coal seam,reverse uncovering coal |
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