摘要
在矿井深部由于地压大,以前的支护方式已经不能满足要求,二次支护技术在巷道施工中有很大的推广价值。
The author introduces the second supporting technology, which is worth popularizing in roadway construction instead of previous supporting methods to solve the problem of large ground pressure in deep collieries.
出处
《江西煤炭科技》
2007年第3期8-9,共2页
Jiangxi Coal Science & Technology
