Research Article
The Effects of Salt on Rheological Properties of Asphalt after Long-Term Aging
Table 1
Empirical properties of asphalt.
| | Inspection item | Test standards | Types of asphalt | | Conventional bitumen | SBS modified asphalt | | Test results | Test results |
| | Penetration (25°C, 100 g, 5 s)/0.1 mm | ASTM D 5 | 65.4 | 69.5 | | Ductility (15°C, 5 cm/min)/cm | ASTM D 113 | >100 | 34.6 | | Softening point (TR & B)/°C | ASTM D 36 | 47.3 | 73.7 | | Density (15°C)/(g/cm3) | ASTM D 70 | 1.034 | 1.037 | | Solubility (trichloroethylene)/(%) | ASTM D 2042 | 99.9 | 99.6 | | PG grade | ASTM D 946 | PG64-22 | PG70-22 |
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