Time-Dependent Creep Damage Model of Frozen Soil with Unsteady Fractional Order under Temperature and Stress Coupling

Table 3

Fitting of model parameters.

σ1 (kPa)	80	95	111	127
G0 (GPa)	162.07	158.15	157.72	140.29
K (GPa)	756.34	738.04	736.74	655.70
G1 (GPa)	359.44	440.48	373.82	280.58
η1 (GPa)	145.76	121.08	57.77	51.99
η2 (GPa·h)	—	419.13	413.03	371.64
γ	—	0.068	0.094	0.11
β10	4.89	4.42	4.42	4.05
β20	0.11	0.13	0.13	0.17
β11	0.35	0.34	0.15	0.08
β21	3.32	3.67	1.60	0.64
β12	—	0.82	1.00	0.85
β22	—	0.43	0.95	0.94
β1γ	0.56	0.64	0.69	0.73
β2γ	0.12	0.52	0.62	0.58