摘要
介绍了采区斜巷沿倾斜方向矿压显现规律,通过两个掘进头不同矿压显现的比较,提出了沿空掘进窄小煤柱的留设及进点时机选择。
A description is made of the characteristics of ground behavior in the district inclined road to the dip.Based on the result of comparison of the different ground behaviors observed at 2 heaving faces,the method for the determination of the size of protective pillar and the appropriate time to start the diverge of the road is proposed
出处
《水力采煤与管道运输》
2009年第2期4-5,共2页
Hydraulic Coal Mining & Pipeline Transportation
