Performance of Rejuvenated Asphalt and Mixtures with Waste Engine Oil Bottom and Liquid Styrene-Butadiene Rubber

Table 4

BBR test results.

Materials	Average creep rate (m)				Average creep stiffness S (MPa)				Continuous grading temperature at m = 0.3 (°C)	Continuous grading temperature at m = 0.3 (°C)	Asphalt low-temperature performance grade
	Test temperature −6°C	Test temperature −12°C	Test temperature −18°C	Test temperature −24°C	Test temperature −6°C	Test temperature −12°C	Test temperature −18°C	Test temperature −24°C
Original asphalt	—	0.356	0.291	0.234	—	156	315	554	−17.2	−27.2	PG-22
Aged asphalt	0.348	0.289	0.266	—	94.3	228	367	—	−10.9	−20.9	PG-16
WEOB-recycled asphalt	—	0.34	0.302	0.269	—	59.4	119	198	−18.4	−28.4	PG-28
WEOB-S-recycled asphalt	—	0.376	0.343	0.291	—	49	91.9	188	−23.0	−33.0	PG-28