Laboratory Evaluation of Aging Behaviour of SBS Modified Asphalt

Table 4

Calculated and measured values of apparent viscosity of modified asphalt (pa·s).

Aging time/h	Calculated values	Measured values	Relative error/%	Calculated values	Measured values	Relative error/%	Calculated values	Measured values	Relative error/%
	163°C			173°C			183°C
0	1.55	1.55	0	1.55	1.55	0	1.55	1.55	0
3	1.61	1.58	1.9	1.71	1.61	6.2	1.98	1.81	9.4
5	1.64	1.61	1.9	1.82	1.72	5.8	2.32	2.06	12.6
7	1.68	1.68	0	1.95	2.01	3.0	2.73	2.68	1.9
10	1.74	1.75	0.6	2.15	2.36	8.9	3.48	3.52	1.1
Supplements	158°C			168°C			178°C
8 h	1.64	1.56	5.1	1.82	1.66	9.6	2.35	2.39	1.7