2) weak rock with shallow cover
软弱浅埋
3) shallow-buried and soft stratum
浅埋松软地层
4) 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
5) shallow-buried and lateral pressure tunneling
浅埋软弱偏压
6) shallow land burial
浅地层埋葬
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