Equivalent Resilient Modulus Inversion and Calculation of Different Asphalt Pavement Structures

Table 5

The calculation of the equivalent resilient modulus of the top surface of the base layer when FWD is loaded on the top surface of the transition layer.

Structural layer	S2				S3
	Inversion modulus value (MPa)	Equivalent resilient modulus			Inversion modulus value (MPa)	Equivalent resilient modulus
		Theoretical calculation method (MPa)	Inversion method (MPa)	Deviation value (%)		Theoretical calculation method (MPa)	Inversion method (MPa)	Deviation value (%)
Transition layer	243	—	—	—	243	—	—	—
Base layer	6330	1121	762	47	4762	780	360	117
Cushion layer and roadbed	134				101