摘要
结合铁路考塘隧道中的Ⅳ级围岩地段初期支护中的锚杆数量与喷层厚度控制,分析了新奥法初期支护的作用原理以及此类支护在软弱围岩中的应用。
From describing the controlling anchor amount and shield thickness of the Kao-Tang Railway Tunnel Ⅳ class rock wall segment initial protecting shield, the article analyses the function theory of New Austria Tunneling Method initial protecting shield and its use in the flabbiness wall rock protecting.
出处
《铁道标准设计》
2005年第6期76-77,共2页
Railway Standard Design
关键词
铁路隧道
初期支护
作用原理
设计与施工
railway tunnel
primary support
working principle
design and construction