Investigating the Macro-Micromechanical Properties and Failure Law of Granite under Loading and Unloading Conditions

Figure 20

Microcrack growth process in the triaxial compression test: (a) prepeak (80%); (b) prepeak (85%); (c) prepeak (90%); (d) peak stress; (e) postpeak (20%).

(a)

(b)

(c)

(d)

(e)