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)108124116178127131185131112
0.3800.3780.3740.4730.3660.3740.3880.3770.376
−18 (MPa)262259295335303268274354282
0.3070.2910.3020.2970.2700.2920.2940.2780.302
−24 (MPa)571728586720612642406665655
0.2050.2130.2200.2330.1960.2150.2460.2030.212