Influence of Axle Load and Asphalt Layer Thickness on Dynamic Response of Asphalt Pavement

Table 1

Estimation fatigue life of asphalt surface.

Structure type	Single rear axle				Double rear axle
	Rear axle load/t	Velocity/(km/h)	/(10^6)		Rear axle load/t	Velocity/(km/h)	/(10^6)
			Loading on upper layer	Loading on middle layer			Loading on upper layer	Loading on middle layer
Structure S1	16.38	5	0.5	/	29.24	5	0.4	/
	16.38	20	14.9	/	29.24	20	9.5	/
	16.38	40	63.7	5.6	29.24	40	176.6	25.5
	9.66	5	1.4	/	22.6	5	0.9	/
	9.66	20	159.6	/	22.6	20	83.0	/
	9.66	40	11047.7	1302.8	22.6	40	4512.8	176.1
Structure S2	16.38	5	1.8	/	29.24	5	1.0	/
	16.38	20	13.5	/	29.24	20	1.5	/
	16.38	40	31.9	17.7	29.24	40	13.5	/
	9.66	5	2.7	/	22.6	5	1.4	/
	9.66	20	18.5	/	22.6	20	7.7	/
	9.66	40	77.2	40.3	22.6	40	28.7	/
Structure S3	16.38	5	2.1	/	28.22	5	13.6	/
	16.38	20	8.8	/	28.22	20	28.8	/
	16.38	40	25.9	15.7	28.22	40	55.6	/
	11.48	5	4.9	/	21.6	5	34.1	/
	11.48	20	34.8	/	21.6	20	87.0	/
	11.48	40	99.6	50.4	21.6	40	119.2	/