预应力锚杆端部受激振动特性的理论与实验研究
李青锋,朱川曲
Theoretical and experimental research on the vibration characteristics excited at the end of pre-stressed rock-bolt
LI Qingfeng,ZHU Chuanqu
采矿与安全工程学报 . 2015, (5): 748 -752 .