摘要
近突出煤层岩巷采用预留安全岩柱二次成巷掘进技术,可实现安全快速掘进,具有很好的经济和社会效益,对类似条件的巷道掘进具有一定的指导意义。
The driving technology with reservation safety rock pillar and secondary lane is applied in the rock roadway near outburst coal seam.The safe and fast driving can be realized.There is very good economic and social efficiency.There is guide significance for roadways driving on similar conditions.
出处
《煤炭技术》
CAS
北大核心
2009年第6期57-59,共3页
Coal Technology
关键词
突出煤层
安全岩柱
二次成巷
outburst coal seam
safety rock pillar
secondary lane
