Review Article
State of the Art Study on Aging of Asphalt Mixtures and Use of Antioxidant Additives
Table 2
Elemental and component analysis of SHRP core asphalts by Asphalt Institute (from Mortazavi and Moulthrop [
42]).
| | Asphalt code and crude source | AAA-1 Canada | AAB-1 USA | AAC-1 Canada | AAD-1 USA | AAF-1 USA | AAG-1 USA | AAK-1 Venezuela | AAM-1 USA |
| | Elemental analysis | | | | | | | | | | C (%) | 83.9 | 82.3 | 86.5 | 81.6 | 84.5 | 85.6 | 83.7 | 86.8 | | H (%) | 10.0 | 10.6 | 11.3 | 10.8 | 10.4 | 10.5 | 10.2 | 11.2 | | H + C (%) | 93.9 | 92.9 | 97.8 | 92.4 | 94.9 | 96.1 | 93.9 | 98.0 | | O (%) | 0.6 | 0.8 | 0.9 | 0.9 | 1.1 | 1.1 | 1.0 | 0.5 | | N (%) | 0.5 | 0.5 | 0.7 | 0.8 | 0.6 | 1.1 | 0.7 | 0.6 | | S (%) | 5.5 | 4.7 | 1.9 | 6.9 | 3.4 | 1.3 | 6.4 | 1.2 | | V (ppm) | 174 | 220 | 146 | 310 | 87 | 37 | 1480 | 58 | | Ni (ppm) | 86 | 56 | 63 | 145 | 35 | 95 | 142 | 36 | | Fe (ppm) | <1 | 16 | — | 13 | 100 | 48 | 24 | 255 | | Component analysis | | | | | | | | | | Asphaltene (%) | 18.3 | 18.2 | 11.0 | 23.0 | 14.1 | 5.8 | 21.1 | 3.9 | | Saturates (%) | 10.6 | 8.6 | 12.9 | 8.6 | 9.6 | 8.5 | 5.1 | 1.9 | | Polar aromatics (%) | 37.3 | 38.3 | 37.4 | 41.3 | 38.3 | 51.2 | 41.8 | 50.3 | | Nanthelene aromatics (%) | 31.8 | 33.4 | 37.1 | 25.1 | 37.7 | 32.5 | 30.0 | 41.9 |
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