Research Article
Effects of Fiber Finish on the Performance of Asphalt Binders and Mastics
Table 2
Properties of asphalt binders.
| | Property | Crude Source A | Crude Source B | | PG 64–22 | PG 76–22 | PG 64–22 | PG 76–22 |
| | Original | | | | | | Viscosity at 135°C (Pas) | 0.430 | 1.475 | 0.703 | 1.442 | | (kPa) (test temp, °C) | 1.279 (64) | 1.338 (76) | 2.413 (64) | 1.177 (76) | | , o (test temp, °C) | 88.2 (64) | 71.4 (76) | 79.2 (64) | 72.5 (76) | | RTFO Aged | | | | | | (kPa) (test temp, °C) | 2.810 (64) | 2.508 (76) | 6.075 (64) | 2.929 (76) | | (o) (test temp, °C) | 85.8 (64) | 66.1 (76) | 73.2 (64) | 65.8 (76) | | Mass loss (%) | 0.0 | −0.01 | −0.09 | −0.22 | | RTFO/PAV Aged | | | | | | (kPa) (test temp, °C) | 4074 (25) | 2129 (31) | 3352 (25) | 1372 (31) | | (o) (test temp, °C) | 49.1 (25) | 52.6 (31) | 50.1 (25) | 50.5 (31) | | Stiffness (60 s) at −12°C (MPa) | 217 | 212 | 141 | 132 | | m-value (60 s) at −12°C | 0.307 | 0.310 | 0.359 | 0.373 | | Max. tensile strain at −12°C (%) | 1.45 | 1.21 | 1.17 | 1.49 | | Max. tensile stress at −12°C (MPa) | 2.94 | 2.74 | 2.17 | 2.23 |
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