Fix the connection plate of foundationbolt with nut.
将地脚螺栓连接板用螺母紧固。
2
Rock boltfoundation is a type of boltfoundation that fine aggregate concrete and bolt are poured into the rock hole.
岩石锚杆基础是以细石混凝土和锚杆灌注于钻凿成型的岩孔内的锚杆基础。
3
The experiment and application studies of rock boltfoundation in North China area in 2005 indicated that it is feasible to use rock boltfoundation in North Chinas strong weathered rock foundations.