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

Table 2

Percentage of particle gradation.

Grain size (mm)	>1.0	1.0∼0.5	0.25∼0.5	0.075∼0.25	<0.075
Percentage (%)	1.7	26.5	50.8	16.7	4.3