Theoretical Analysis and Experimental Evaluation of Road Dynamic Behavior on Different Subgrades

Table 1

Parameters of the subgrade.

Filling medium in subgrade	Resilient modulus, E3 (MPa)	Poisson’s ratio, μ3	Damping constant, C3 (Ns/m)	Internal friction angle, θ (°)	Height of subgrade, H0 (m)	Particle size (%)
						>1 mm	1–0.25 mm	0.25–0.075 mm	<0.075 mm
Sand bag	80	0.35	3.5 × 10^4	30	0.6	6.25	93.35	0.3	0.1
Gravel	180	0.35	4.8 × 10^4	30	0.6	95.3	2.85	1.5	0.35