Parameter Optimization of Graded Macadam Transitional Layer for Inverted Asphalt Pavement Based on the Mechanical Response and Strength Standard

Table 1

Pavement structure and parameter.

Layer	Material type	Thickness (cm)	Modulus (MPa)	Poisson ratio
Top-surface	SMA-13 asphalt mastic crushed stone	6	1450	0.25
Middle-surface	AC-20 asphalt mixture	8	1600	0.25
Bottom-surface	AC-25 asphalt mixture	10	1850	0.25
Top-base	GMTL	16	500	0.35
Bottom-base	Cement stabilized macadam	36	8500	0.25
Subgrade	—	—	40	0.40