Multidimensional Analysis of Precursor Information of Rockburst during Loading and Unloading of Deep Diorite

Figure 13

Information entropy of the loading process of specimens with the same confining pressure and different unloading rates.

(a) 0.1 MPa/s

(b) 0.3 MPa/s

(c) 0.5 MPa/s

(d) 0.7 MPa/s