Acceleration Characteristics of a Rock Slide Using the Particle Image Velocimetry Technique

Figure 3

Extension of cracks during the failure process of the rock slide.

(a) 0 s before failure

(b) 0.02 s crack initiation

(c) 0.04 s crack at the top

(d) 0.06 s crack propagation

(e) 0.08 s crack coalescence

(f) 0.1 s sliding body dumped