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

Table 2

Parameters of the elastic double-layer plate.

Thickness of the asphalt layer h1 (m)	0.03
Thickness of the stabilised layer h2 (m)	0.09
Resilient modulus of the asphalt layer, E1 (MPa)	1500
Resilient modulus of the stabilised layer, E2 (MPa)	1200
Poisson’s ratio of the asphalt layer, μ1	0.35
Poisson’s ratio of the stabilised layer, μ2	0.35
Damping constant of the asphalt layer, C1 (Ns/m)	3.7 × 10^4
Damping constant of the stabilised layer, C2 (Ns/m)	5 × 10^4
Density of the asphalt layer, ρ1 (kg/m^3)	2400
Density of the stabilised layer, ρ2 (kg/m^3)	2350
Length of the asphalt layer, 2b (m)	0.8
Length of the stabilised layer, 2b (m)	0.8
Diameter of the load contact surface, d1 (m)	0.15
Load distribution angle, α (°)	30
Vibration source spacing, l (m)	0.175
Constant, ζ1	0.35
Constant, ζ3	0.113