Table 1 Technical indicators of rubber powder modified asphalt binder.
Tested property | Units | Value | Specification |
|---|---|---|---|
Penetration (25 °C) | 0.1 mm | 49.7 | 40–55 |
Softening point | °C | 77.1 | ≥ 60 |
Ductility (5 °C) | cm | 49.3 | ≥ 20 |
Dynamic viscosity (135 °C) | Pa·s | 1.8 | ≤ 3 |
After rolling thin-film oven heating | Â | Â | Â |
Weight change | % | -0.07 | ≤ ±1.0 |
Residual penetration ratio(25 °C) | cm | 92.3 | ≥ 65 |
Residual ductility (5 °C) | cm | 34.1 | ≥ 15 |
