Research Article
Strength and Fatigue Properties of Sandstone under Dynamic Cyclic Loading
Table 4
Strength and fatigue properties of sandstone under different loading amplitudes.
| Loading amplitude (kN) | Loading frequency (Hz) | Loading speed (kN/s) | Peak stress (MPa) | Peak strain (%) | Fatigue life () |
| 15 | 1 | 1 | 110.15 | 1.627 | 223 | 30 | 1 | 1 | 88.27 | 1.467 | 132 | 60 | 1 | 1 | 73.92 | 1.320 | 57 | 90 | 1 | 1 | 67.15 | 1.211 | 42 | 120 | 1 | 1 | 63.9 | 1.184 | 17 |
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