Improvement of Engineering Properties of Asphalt Binder and Mixture by Using SBS Additive Material

Table 6

BBR results for asphalt mixture samples with different SBS percentages.

Sample (%)	Temp. (°C)	Stiffness (MPa)	m-value	Specification		Result
				Stiffness (MPa)	m-value
SBS 0	−22	96.75	0.324	S max = 300	min. = 0.300	Pass
	−28	200.87	0.261			Fail
SBS 1	−22	121.96	0.303			Pass
	−28	245.24	0.253			Fail
SBS 2	−16	61.19	0.329			Pass
	−22	126.88	0.280			Fail
SBS 3	−16	64.92	0.316			Pass
	−22	128.33	0.275			Fail
SBS 4	−10	40.13	0.338			Pass
	−16	81.60	0.293			Fail