A Fractional Creep Constitutive Model for Frozen Soil in Consideration of the Strengthening and Weakening Effects

Table 1

The physical parameters of the silty clay and quartz sand.

	Specific gravity	Liquid limit/%	Plastic limit/%	Water content/%
Silty clay	2.72	27.58	19.37	1.35
Quartz sand	2.66	—	—	0.0