In Situ Frost-Heaving Characteristics of Shallow Layer of Soil Slopes in Intermittently Frozen Region Based on PFC^3D

Table 1

Gradation of soil.

Particle range (mm)	1∼2	0.5∼1	0.25∼0.5	0.075∼0.25	<0.075
Percentage (%)	4.45	14.43	12.66	15.17	53.29