Study on the Influence of Different Prophase Stress Levels on the Fatigue Damage Characteristics of Granite

Table 1

The sample loading scheme.

Groups	Specimens	Prophase stress level (MPa)	Upper limit of cyclic stress (MPa)	Cycles
Group 1	G1-C1	125	105	300
	G1-C2		115
	G1-C3		125
Group 2	G2-C1	130	105	300
	G2-C2		115
	G2-C3		125
Group 3	G3-C1	135	105	300
	G3-C2		115
	G3-C3		125