1) weak-walled
围岩不稳固的
2) Unstable Rock Surrounding
不稳定围岩
1.
The Research about the Tunneling and Supporting Technologies for the Chambers with Large Cross Section in the Condition of Unstable Rock Surrounding
不稳定围岩条件下大断面硐室掘进和支护的技术探讨
3) unstable ore-bearing rocks
不稳固矿岩
4) unstable rock mass
不稳固岩体
1.
During the development of tunnel drivage of many domestic gold mine such as Jiaojia Gold Mine in Shandong Province, encountered a lot of unstable rock mass, The rock mass is mainly disruption and alteration granite, Rock s structure growth and many crevasse surface, and rugged coefficient is f=4～5, It belongs to IV kide unstable wall rock.
在国内许多诸如山东省焦家金矿开拓巷道掘进中,遇到了大量不稳固岩体,岩体主要以碎裂蚀变花岗岩为主,结构发育,裂隙面多,坚固性系数f=4～5,属于Ⅳ类不稳固围岩。
5) unstable terrane
不稳固岩层
1.
Based on analysis of a reconstruction project of parking lot at blind shaft,working scheme of laneway driving and supporting in unstable terrane is put forward.
通过对王村铝土矿在盲副井口车场改造施工实例分析,提出了在不稳固岩层的巷道掘进与支护施工方案,经试验表明:该方案能够满足施工需要,可以在同类矿山巷道施工中推广应用。
6) sandy
[英]['sændi] [美]['sændɪ]
沙的，不稳固的
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