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

Table 1

The axial stress, confining pressure, and reduction ratio of confining pressure.

Initial confining pressures (MPa)	Axial stress (MPa)	Confining pressure (MPa)	Reduction ratio (%)
10	145.7	2.98	70.2%
15	154.5	5.02	66.5
20	172.8	6.11	69.45
25	198.8	10.6	57.6