Experimental Study on Cumulative Plastic Deformation of Coarse-Grained Soil High-Grade Roadbed under Long-Term Vehicle Load

Table 3

Permanent deformation test scheme.

Experiment number	Vibration frequency	Frequency (Hz)	Confining pressure (kPa)	Compactness (%)	Moisture content (%)	Dynamic stress (kPa)
A1	10000	1	28	96	6.8	30
A2						45
A3						60
B1					8.1	30
B2						45
B3						60
C1					9.5	30
C2						45
C3						60
D1				91	6.8	30
D2						45
D3						60