Mechanism Study on Elevation Effect of Blast Wave Propagation in High Side Wall of Deep Underground Powerhouse

Figure 8

Vibration velocity curve of numerical simulation in the elevation direction for layered excavation of the powerhouse. The excavation vibration velocity curve with a horizontal distance of 0 m for (a) the first layer, (b) the second layer, and (c) the third layer.

(a)

(b)

(c)