A Parabolic Failure Criterion for Transversely Isotropic Rock: Modification and Verification

Table 2

Fitting results of the parameters in (17) for predicting .

Sample
Dry phyllite	87.05	48.65	40.02	0.93
Dry orthoquartzite	180.40	71.92	39.69	0.96
Dry slate	85.67	50.25	39.42	0.94
Chlorite schist	107.60	54.54	37.30	0.92
Biotite schist	45.59	14.72	31.41	0.93