摘要
上下导硐、天井溜碴、先拱后墙、自上而下分部开挖的施工方法,目前在矿山大断面硐室施工中被广泛采用,尤其用于中等稳定和稳定性较差的岩层和围岩不允许暴露面积过大、时间过长的硐室施工。
The construction methods using over-and-under pilot drift,raise drafting slag,arch construction before wall and excavation from top to bottom were widely adopted in the construction of large section chamber in mine at present,and especially used in the construction of chamber with medium stability and poor stability rock and surrounding rock which exposed area and time were not allowed too large and long.
出处
《中国矿山工程》
2010年第5期26-29,共4页
China Mine Engineering
关键词
上下导硐
联络天井
先拱后墙
over-and-under pilot drift
connecting raise
arch construction before wall
