Experimental Study on Initial Damage Point of Deep Granite under Step Cyclic Loading Method

Table 4

Program of ascending step cyclic loading tests.

Testing no.	Confining pressure (MPa)	Initial axial loading (MPa)		Ascending axial loading (MPa)
		Value	Pct.	Value	Pct.	Value	Pct.	Value	Pct. (%)
G-10-X1	10	131	40	137	42	144	44	151	46
G-20-X1	20	160	40	169	42	177	44	185	46
G-30-X1	30	184	40	193	42	203	44	212	46