Shock and Vibration / 2017 / Article / Fig 13

Research Article

Numerical Simulation of Blast Vibration and Crack Forming Effect of Rock-Anchored Beam Excavation in Deep Underground Caverns

Figure 13

The comparison of vibration velocity in the same measuring point under different crustal stress.
(a) Perpendicular to tunnel axis direction
(b) Upright direction
(c) Parallels to tunnel axis direction