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 cycles | Elastic release energy (J·m−3) | Upper limit of cyclic stress 105 MPa | Upper limit of cyclic stress 115 MPa | Upper limit of cyclic stress 125 MPa | Prophase stress level (MPa) | Prophase stress level (MPa) | Prophase stress level (MPa) | 125 | 130 | 135 | 125 | 130 | 135 | 125 | 130 | 135 |
| 1st | 0.084 | 0.100 | 0.118 | 0.082 | 0.102 | 0.120 | 0.085 | 0.101 | 0.119 | 10th | 0.083 | 0.100 | 0.119 | 0.082 | 0.102 | 0.120 | 0.085 | 0.100 | 0.119 | 30th | 0.083 | 0.100 | 0.119 | 0.082 | 0.102 | 0.121 | 0.084 | 0.100 | 0.119 | 50th | 0.083 | 0.100 | 0.119 | 0.081 | 0.102 | 0.120 | 0.084 | 0.100 | 0.119 | 100th | 0.093 | 0.100 | 0.119 | 0.081 | 0.102 | 0.121 | 0.084 | 0.100 | 0.119 | 200th | 0.083 | 0.100 | 0.119 | 0.081 | 0.102 | 0.121 | 0.085 | 0.100 | 0.119 | 30th | 0.081 | 0.098 | 0.119 | 0.080 | 0.102 | 0.121 | 0.084 | 0.100 | 0.119 |
|
|