Research Article

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

Table 2

The relative data for the elastic release energy.

Number of cyclesElastic release energy (J·m−3)
Upper limit of cyclic stress 105 MPaUpper limit of cyclic stress 115 MPaUpper limit of cyclic stress 125 MPa
Prophase stress level (MPa)Prophase stress level (MPa)Prophase stress level (MPa)
125130135125130135125130135

1st0.0840.1000.1180.0820.1020.1200.0850.1010.119
10th0.0830.1000.1190.0820.1020.1200.0850.1000.119
30th0.0830.1000.1190.0820.1020.1210.0840.1000.119
50th0.0830.1000.1190.0810.1020.1200.0840.1000.119
100th0.0930.1000.1190.0810.1020.1210.0840.1000.119
200th0.0830.1000.1190.0810.1020.1210.0850.1000.119
30th0.0810.0980.1190.0800.1020.1210.0840.1000.119