Infrared Spectrum Analysis of Aged Asphalt Regenerated by Recycled Engine Oil Bottom

Table 2

Test results of aged asphalt and matrix asphalt after regeneration of different proportions of REOB.

	Penetration / 0.1 mm	Ductility (10°C) / cm	Softening point / °C
70^# matrix asphalt	67	20	48.4
Recycling aged 10 years of asphalt	24	4.2	63
REOB added 4%	42	6.4	57.2
REOB added 6%	68	12.8	59.2
REOB added 8%	75	10	62