Hazard prediction and prevention of rock burst in island working face

被引：0
|
作者：
Guo, S. S. [1 ,2 ]
机构：
[1] State Key Lab Gas Disaster Monitoring & Emergency, Chongqing, Peoples R China
[2] Chongqing Res Inst, China Coal Technol Grp, Chongqing, Peoples R China
来源：
PROGRESS IN MINE SAFETY SCIENCE AND ENGINEERING II | 2014年
关键词：
D O I：
暂无
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
摘要：
When the mining depth is larger, the stress concentration is at a very high level at the island working face and its surrounding roadways. The risk of rock burst is higher coupled with the influence of the geological tectonics. The article analyzed coal and rock physical and mechanical properties of 2-228 island working face in Liyazhuang coal mine, determined the energy source of rock burst using micro seismic monitoring technology, determined the hazardous area and level of rock burst, formulated the corresponding prevention measures, and to achieve the safety mining of at the island working face. The article provides a beneficial reference for the same conditions of the mine mining area and other similar mine island working face.
引用
收藏
页码：257 / 261
页数：5
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