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 objects | Asphaltenes | Resins | Aromatics | Saturates |
| Original asphalt | | 5.4 | 13.4 | 39.1 | 42.1 | REOB | | 0.2 | 15.5 | 83.5 | 0.8 | Aged asphalt | | 13 | 38.1 | 11.1 | 37.8 | Rejuvenated asphalt with 6% REOB | Theoretical value | 12.23 | 36.74 | 15.45 | 35.58 | Measured value | 8 | 38.2 | 15.7 | 38.1 | Difference value | 4.23 | −1.46 | −0.25 | −2.52 | Rejuvenated asphalt with 7% REOB | Theoretical value | 12.1 | 36.52 | 16.17 | 35.21 | Measured value | 4.8 | 41.5 | 18.4 | 35.3 | Difference value | 7.3 | −4.98 | −2.23 | −0.09 | Rejuvenated asphalt with 8% REOB | Theoretical value | 11.98 | 36.29 | 16.89 | 34.84 | Measured value | 10.6 | 14.9 | 25.8 | 48.7 | Difference value | 1.38 | 21.39 | −8.91 | −13.86 |
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