Experimental Investigation and Analysis of Triggering Mechanism for Fault-Slip Bursts of the Tunnel Surrounding Rock with External Disturbance

Figure 8

Displacements of block #3 under the joint action of a vertical impact load and horizontal force. (a) . (b) . (c) . (d) . (e) . (f) . (g) . (h) .

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)