Research Article
The Effects of Salt on Rheological Properties of Asphalt after Long-Term Aging
Table 5
Creep stiffness
- and
-value after PAV of conventional bitumen soaked in saline water.
| Conventional bitumen | 0% 0 d | 0.3% 1 d | 0.3% 30 d | 1% 1 d | 1% 7 d | 3% 7 d | 3% 15 d | 5% 15 d | 5% 30 d |
| −12 | (MPa) | 108 | 124 | 116 | 178 | 127 | 131 | 185 | 131 | 112 | | 0.380 | 0.378 | 0.374 | 0.473 | 0.366 | 0.374 | 0.388 | 0.377 | 0.376 | −18 | (MPa) | 262 | 259 | 295 | 335 | 303 | 268 | 274 | 354 | 282 | | 0.307 | 0.291 | 0.302 | 0.297 | 0.270 | 0.292 | 0.294 | 0.278 | 0.302 | −24 | (MPa) | 571 | 728 | 586 | 720 | 612 | 642 | 406 | 665 | 655 | | 0.205 | 0.213 | 0.220 | 0.233 | 0.196 | 0.215 | 0.246 | 0.203 | 0.212 |
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