Research Article

Properties and Components of Recycled Engine Oil Bottom Rejuvenated Asphalt and Its Grey Relationship Analysis

Table 4

Content of four components of REOB and different asphalt binders (%).

Test objectsAsphaltenesResinsAromaticsSaturates

Original asphalt5.413.439.142.1
REOB0.215.583.50.8
Aged asphalt1338.111.137.8
Rejuvenated asphalt with 6% REOBTheoretical value12.2336.7415.4535.58
Measured value838.215.738.1
Difference value4.23−1.46−0.25−2.52
Rejuvenated asphalt with 7% REOBTheoretical value12.136.5216.1735.21
Measured value4.841.518.435.3
Difference value7.3−4.98−2.23−0.09
Rejuvenated asphalt with 8% REOBTheoretical value11.9836.2916.8934.84
Measured value10.614.925.848.7
Difference value1.3821.39−8.91−13.86