1) weak rock with shallow cover
软弱浅埋
2) buried weak surrounding rock
浅埋软弱围岩
1.
This paper mainly introduces the accessing method and two driving methods for large-span railway station tunnel on buried weak surrounding rock.
主要介绍了浅埋软弱围岩大跨车站隧道的进洞方法及掘进施工方
4) shallow-buried and lateral pressure tunneling
浅埋软弱偏压
5) shallow burying big span tunnel in soft and weak surrounding rock
软弱围岩浅埋大跨隧道
1.
Construction technology of shallow burying big span tunnel in soft and weak surrounding rock;
软弱围岩浅埋大跨隧道施工技术
6) shallow-buried and soft stratum
浅埋松软地层
补充资料：软弱结构面
摩擦系数较小，长度较大，充填粘土、泥和岩石碎块的结构面（见岩体结构）。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条