Investigation of the Road Performance of AH-30 Bitumen and Its Mixture: Comparison with AH-70 and SBS-Modified Bitumen

Table 7

Fatigue test results of three-point bending fatigue.

Stress ratio	AH30-AC20		SBS-AC20		AH30-AC25		AH70-AC25
	Stress level (MPa)	Fatigue life (times)	Stress level (MPa)	Fatigue life (times)	Stress level (MPa)	Fatigue life (times)	Stress level (MPa)	Stress level (MPa)
0.5	6.165	498	3.13	4343	5.15	1050	4.24	1111
		979		5467		1823		1383
0.4	4.932	1552	2.054	14155	4.12	7707	3.392	3684
		2294		20187		5431		3316
0.3	3.699	3224	1.878	21284	3.09	9475	2.544	7016
		5649		30892		8425		9437
0.2	2.466	65852	1.252	127746	2.06	63900	1.696	28634
		84165		198230		71547		37312
0.1	1.233	315516	0.626	912771	1.03	130905	0.848	164436
		382163		987503		110480		201272