摘要
针对四台矿 11号煤层回采巷道顶板管理上存在的问题 ,联系顶板岩性和钢棚、锚杆支护的机理进行分析 ,指出了采用单一钢棚、锚杆支护的不合理性 ,并就
In connection with problems existing on the coal drift roof of the 11 # coal level in Sitai mine.Based on the rock stability and supporting principle,the insufficience of steel timbers and bolts were pointed out,and the rational way to support the coal drift roof was discussed.
出处
《山西煤炭》
2001年第3期16-19,共4页
Shanxi Coal
