Table 4: Parameter determination of (55).

Confining pressures, σ3 (MPa)Parameter determination

1.0−105.10.4253
2.00.08220.8487
4.00.52580.5862
5.00.48750.7570
6.00.50640.7930
8.00.51890.8119
10.00.54870.8896
14.00.52010.9199
16.00.40831.059