Mechanical behaviours of sandstone samples under conventional triaxial compression (Yang and Jiang, 2010)
| Confining pressure, σ 3: MPa | 3 | 5 | 7 |
| Peak strength, (σ 1 − σ 3)peak: MPa | 163·6 | 180·7 | 209·6 |
| Residual strength, (σ 1 − σ 3)residual: MPa | 43·0 | 42·2 | 44·7 |
| Axial strain at peak strength, ϵ 1p: × 10−3 | 7·6250 | 7·6700 | 7·5556 |
| Young’s modulus E s: GPa | 25·77 | 27·73 | 32·69 |
| Young’s modulus E 50: GPa | 21·41 | 32·63 | 30·91 |
| Confining pressure, | 3 | 5 | 7 |
| Peak strength, ( | 163·6 | 180·7 | 209·6 |
| Residual strength, ( | 43·0 | 42·2 | 44·7 |
| Axial strain at peak strength, | 7·6250 | 7·6700 | 7·5556 |
| Young’s modulus | 25·77 | 27·73 | 32·69 |
| Young’s modulus | 21·41 | 32·63 | 30·91 |
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