摘要
端面顶板是高档普采工作面顶板管理的重点。分析了п型钢梁支护法的不足 ,提出了一种新的支护方法 。
The roof of head face is the key point of the face roof management in the high-grade conventional machine mining. The deficiencies of п type steel beam supporting method are analysed and a kind of new supporting method is put forward and good results are achieved.
出处
《工业安全与环保》
2002年第10期38-39,共2页
Industrial Safety and Environmental Protection
关键词
高档普采工作面
端面顶板
支护
煤矿开采
钢梁
face of the high-grade conventional machine mining roof of head face support
