Study on Crack Propagation of the Tunnel Model under Dynamic Loading

<div>Crack growth trajectories under different locations of prefabricated cracks. (a) <i>a</i> = 0 mm. (b) <i>a</i> = 5 mm. (c) <i>a</i> = 10 mm.</div>

Advances in Materials Science and Engineering

fig20

Figure 20

Figure 20: Study on Crack Propagation of the Tunnel Model under Dynamic Loading 