Research Article
Strength and Fatigue Properties of Sandstone under Dynamic Cyclic Loading
Table 3
Strength and fatigue properties of sandstone under different loading frequencies.
| Loading amplitude
(kN) | Loading frequency
(Hz) | Loading speed
(kN/s) | Peak stress
(MPa) | Peak strain
(%) | Fatigue life
() |
| | 30 | 0.5 | 1 | 58.76 | 0.928 | 44 | | 30 | 1 | 1 | 83.27 | 1.468 | 139 | | 30 | 2 | 1 | 79.73 | 1.397 | 268 | | 30 | 4 | 1 | 72.07 | 1.331 | 566 |
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