摘要
根据胡家河矿井地质情况及工作面回采巷道掘进期间出现煤炮声等典型动力现象,通过实验室试验分析其顶板、底板及4#煤的物理力学性质、冲击倾向性相关参数,确定4#煤层具有强冲击性,为矿井安全生产制定相关措施提供参考依据。
Based on the geology conditions and the typical dynamic phenomenon during the mining roadway excavation in Hujiahe Mine,the burst tendency and physical and mechanical properties of №4 seam and its roof and floor was analyzed by the laboratory test,and the burst tendency of №4 seam was determined. The research can provide reference basis for laying down mine safety measures.
出处
《陕西煤炭》
2015年第5期9-11,27,共4页
Shaanxi Coal
关键词
动力灾害
物理力学性质
冲击倾向性
特厚煤层
dynamic disaster
physical and mechanical property
burst tendency
extra thick seam
