Multivariate Prediction Model of Strength and Acoustic Emission Energy considering Parameter Correlation of Coal or Rock

Figure 11

Coal samples after fracture and 3D AE localization map. (a) M1. (b) M2. (c) M3. (d) M4. (e) M5. (f) M6. (g) M7. (h) M8.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)