Production Technique Research on Bypassing the Subsided Columns at K8403 Working Face of the No.3 Coal Mine of Yangquan Coal Industry (Group) Co.,Ltd.
- 作者：LV Wei-yun
- 会议时间：2011-05-14
- 关键词：The No.3 Coal Mine of Yangquan Coal Industry (Group) Co. ; Ltd. ; Subsided Column ; Production Technique ; Scheme
- 作者单位：No.3 Coal Mine of Yangquan Coal Industry (Group) Co.,Ltd.045008,China
- 母体文献：中国工程科技论坛第118场——2011国际煤矿瓦斯治理及安全会议论文集
- 会议名称：中国工程科技论坛第118场——2011国际煤矿瓦斯治理及安全会议
- 会议地点：合肥
- 主办单位：中国工程院
- 语种：chi
摘要
According to the situation of subsided columns uncovered during tunneling in drifting at K8403 working face of No.3 coal mine,two schemes about crossing the faults in drifting are given.On the premise of technical feasibility and production safety,the best scheme is emerged after economical and technological comparison.