Table 2 Best fitting parameters for different criteria.
Number of data points used | MM-C criterion | MH-B criterion | Exponential criterion | Proposed criterion | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
c (MPa) | φ (°) | n | σc (MPa) | m | σc (MPa) | n | σ∞ (MPa) | σc (MPa) | k0 | σ∞ (MPa) | σc (MPa) | m | |
3 | 49.7 | 52.5 | 0.05 | 293 | 15.66 | 293 | 0.05 | 349.5 | 293 | 10.55 | 407.84 | 293 | 0.48 |
4 | 60.83 | 44.9 | 0.09 | 293 | 9.86 | 293 | 0.09 | 360.1 | 293 | 9.6 | 418.2 | 293 | 0.5 |
5 | 64.07 | 42.7 | 0.14 | 293 | 8.76 | 293 | 0.15 | 388.6 | 293 | 6 | 447.93 | 293 | 0.57 |
6 | 93.32 | 29.18 | 0.26 | 318 | 3.9 | 317.8 | 0.27 | 403.1 | 293 | 5 | 442.64 | 293 | 0.56 |
7 | 97.08 | 27.36 | 0.33 | 319.09 | 3.55 | 318.73 | 0.33 | 415.2 | 316.6 | 3.2 | 432.9 | 293 | 0.53 |
8 | 103.63 | 24.3 | 0.43 | 320.99 | 2.97 | 320.34 | 0.43 | 400 | 293 | 5.55 | 432.9 | 293 | 0.53 |
9 | 119.26 | 18.53 | 0.62 | 331.51 | 1.99 | 330.76 | 0.62 | 405 | 299.85 | 4.44 | 405.9 | 293 | 0.46 |
CV | 0.31 | 0.37 | 0.74 | 0.05 | 0.75 | 0.05 | 0.73 | 0.06 | 0.03 | 0.43 | 0.04 | 0.00 | 0.08 |
