Research Article

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) .
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(b)
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(d)
(e)
(f)
(g)
(h)