摘要
屯兰矿2#煤层巷道为N类复合顶板,顶板来压大且易破碎,采用组合“锚杆+锚索”的全锚支护设计方案,满足了生产需要。
The No.2 coal-seam alley in Tunlan coal mine is made of type N multiple roof plate, the pressure is high, and the roof plate is fragile, byusing “roof-bolt and cable anchor” all-anchor support design proposal,the need of productionis net.
出处
《中国煤炭》
北大核心
2006年第7期28-30,共3页
China Coal
