Table 5 Results of conventional triaxial experiments on argillaceous siltstone.
Confining pressure σ3/MPa | Diameter/mm | Height/mm | Mass/g | Wave velocity vp/km·s−1 | Peak deviatoric stress σ1–σ3/MPa | Peak strain ε1/% | Peak strain ε3/% |
|---|---|---|---|---|---|---|---|
9 | 50.1 | 99.8 | 414.50 | 2.74 | 36.01 | 0.880 | 0.279 |
12 | 49.9 | 100.3 | 421.50 | 2.58 | 43.29 | 0.604 | 0.359 |
15 | 49.9 | 99.9 | 425.50 | 2.69 | 47.22 | 0.483 | 0.378 |
18 | 50.0 | 100.1 | 424.50 | 2.52 | 54.53 | 0.514 | 0.294 |
