Destruction Law of Borehole Surrounding Rock of Granite under Thermo-Hydro-Mechanical Coupling

Figure 9

AE location map at different stages: (a) macroscopic failure of the sample; (b) AE location after failure; (c) AE location at 0-18 min in the thermal cracking stage; (d) AE location at 0-33 min in the thermal cracking stage; (e) AE location at 0-67 min in the thermal cracking stage; (f) AE location at 0-100 min in the thermal cracking stage; (g) AE location at 100-110 min in the fracture initiation stage; (h) AE location at 100-117 min in the fracture propagation stage; (i) AE location at 100-133 min in the fracture propagation stage; (j) AE location at 100-150 min in the fracture propagation stage; (k) AE location at 100-167 min in the fracture propagation stage; (l) AE location at 100-183 min in the fracture propagation stage; (m) AE location at 100-200 min in the fracture propagation stage; (n) AE location at 100-210 min in the fracture propagation stage.

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