High-precision microseismic monitoring system to reasonable width of segment coal pillar in extra-thick coal seam fully mechanized top-coal caving mining

被引：0
|
作者：
Kong, Ling-Hai [1 ,2 ]
Jiang, Fu-Xing [1 ,2 ]
Liu, Jie [3 ]
Ye, Gen-Xi [1 ,2 ]
Wang, Cun-Wen [1 ,2 ]
Song, Guang-Dong [1 ,2 ]
机构：
[1] State Key Laboratory of High-efficient Mining and Safety of Metal Mines, Ministry of Education, University of Science and Technology Beijing, Beijing 100083, China
[2] School of Civil and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
[3] Datangtashan Colliery, Datong Coal Mine Group, Datong 037003, China
来源：
Meitan Xuebao/Journal of the China Coal Society | 2009年 / 34卷 / 07期
关键词：
Coal mines - Coal - Microseismic monitoring - Room and pillar mining - Coal deposits;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
By using the underground high-precision microseismic monitoring system, studied the strata movement in full-seam mining over 15 m thick in fully mechanized top-coal caving mining workface. Distance was obtained between high stress zone and the entry rib by combining rock mechanics calculating with strata movement consequence analysis. By comparing with numerical simulation results, the inferred result by MS was proved right. Result shows the reasonable width of segment coal pillar is 20-25 m, considering many factors.
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页码：871 / 874
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