1) layer of class Ⅱ shallow buried adjoining rock
Ⅱ类围岩浅埋段
2) shallow buried rock
浅埋围岩
3) Ⅱ surrounding rocks
Ⅱ类围岩
1.
On application of entire section method in excavating Ⅱ surrounding rocks in Bijiashan tunnel
浅谈笔架山隧道用全断面法开挖Ⅱ类围岩
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 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) Ⅴ grade coffer shallowburied side pressure
Ⅴ级围岩浅埋偏压
补充资料：围岩
见矿体。
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