Numerical Analysis of the Mechanical Responses and Transition Section Design of Pavement Structures in the Entrance and Exit Sections of Highway Tunnel

Table 4

Mechanical parameters of pavement materials.

Material	AK-13	SMA-13	AC-16	AC-20	AC-25
Dynamic modulus (MPa)	6800	7000	9000	9500	10000
Poisson’s ratio μ	0.25	0.25	0.25	0.25	0.25
Density ρ (kg/m^3)	2400	2400	2450	2480	2505
Material	Cement-treated sand gravel	Graded macadam	Subgrade	C15	C30
Dynamic modulus (MPa)	16000	150	65	20000	30000
Poisson’s ratio μ	0.25	0.35	0.40	0.2	0.2
Density ρ(kg/m^3)	2300	2250	1700	2450	2500