Equivalent Resilient Modulus Inversion and Calculation of Different Asphalt Pavement Structures

Table 1

The structure of the test section.

Pavement structure		S1 (semirigid structure)	S2 (inverted structure 1)	S3 (inverted structure 2)
The asphalt mastic macadam SMA upper surface layer (cm)		4
The SBS modified asphalt AC-20C middle surface layer (cm)		6
The lower surface layer	The type	Asphalt AC-20C	The SBS modified asphalt AC-20C	ATB-25
	The thickness (cm)	8	8	12
The graded crushed stone transition layer (cm)		—	12
The cement stabilized crushed stone base (cm)		28	20
The cement stabilized crushed stone subbase (cm)		28	24	20
The graded crushed stone cushion layer (cm)		15	15	15
The total pavement thickness (cm)		89	89	89