Experimental and Numerical Investigation of Energy Evolution Characteristic of Granite considering the Loading Rate Effect

Figure 8

Energy transformation characteristics of specimen with different loading rates during rockburst. (a) 0.05 MPa/s; (b) 1.0 MPa/s; (c) 3.0 MPa/s; and (d) 5.0 MPa/s.

(a)

(b)

(c)

(d)