2) 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
3) tunnel opening with soft and weak surrounding rocks
软弱围岩隧洞
4) weak tunnel
软弱隧道
5) tunnel surrounding rock
隧道围岩
1.
Review of research on instability failure mechanism and stability control of tunnel surrounding rock in water-bearing sandy ground
含水砂层隧道围岩失稳破坏机制及控制研究现状综述
2.
A comprehensive study of tunnel surrounding rock classification methods
隧道围岩分级方法综合研究
3.
In regard to resistance,the rule of setting the maximum allowable deformation which is applicable to all kinds of tunnel surrounding rocks is studied.
对于抗力,研究了各类隧道围岩最大允许变形值的确定规则;对于荷载,根据围岩与支护结构相互作用原理,揭示了坑道周边围岩变形在本质上是围岩物理力学参数的高度复杂函数,无法得到其解析关系的事实,由此导致的可靠度无法求解的问题。
6) surrounding rock of tunnel
隧道围岩
1.
The application of matter-element extension model in stability classification of surrounding rock of tunnel;
基于物元可拓模型的隧道围岩分级评价应用
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