Dynamic Response and Time-Frequency Characteristic of Dangerous Rocks under the Combined Action of Rock Cavity Weathering and Earthquake

Figure 6

Failure modes at different times of Model 3. (a) t = 5 s. (b) t = 10 s. (c) t = 15 s. (d) t = 20 s. (e) t = 25 s.

(a)

(b)

(c)

(d)

(e)