Effect of Rejuvenated Binder on the Pavement Rutting Performance at Different Aging Levels

Table 3

Factorial design of the experiment.

Specimen name	Composition	High-temperature PG (°C)	Cell number
			Aging
			No additional aging	5 Days at 85°C	10 Days at 85°C
Control	RAP aggregate + virgin binder	74.2 ± 1°C	1	2	3
R1	RAP + 15.7% RA1	74.2 ± 1°C	4	5	6
R2	RAP + 11.3% RA2	74.2 ± 1°C	7	8	9
R3	RAP + 7.9% RA1	80.2 ± 1°C	10	11	12
R4	RAP + 6.5% RA2	80.2 ± 1°C	13	14	15