Discussions on the Complete Strain Energy Characteristics of Deep Granite and Assessment of Rockburst Tendency

Figure 8

Time-delay characteristic verification test of granite. (a) 20% peak stress under 10 MPa. (b) 40% peak stress under 10 MPa. (c) 20% peak stress under 20 MPa. (d) 40% peak stress under 20 MPa.

(a)

(b)

(c)

(d)