Influences of True Triaxial Loading-Unloading Stress Paths on Mechanical Properties and Wave Velocity of Coal Samples subject to Risk of Rock Burst

Figure 11

Tomographic results. (a) Phase A. (b) Phase B. (c) Phase C1. (d) Phase C2. (e) Phase D.

(a)

(b)

(c)

(d)

(e)