Research Article
Effect of Rubberized Bitumen Blending Methods on Permanent Deformation of SMA Rubberized Asphalt Mixtures
Table 2
Specification of bitumen 80/100 penetration used in this study.
| | Property | Unit | Test method | Value | | Min. | Max. |
| | Penetration at 25°C | 0.1 mm | ASTM D5 | 80 | 100 | | Softening point (ring & ball) | °C | ASTM D36 | 45 | 52 | | Flash point (Cleveland open cup) | °C | ASTM D92 | 225 | — | | Relative density at 25°C | g/cm3 | ASTM D71 | 1.00 | 1.05 | | Ductility at 25°C | cm | ASTM D113 | 100 | — | | Loss on heating, wt. | %. | ASTM D6 | — | 0.5 | | Solubility in trichloroethylene, wt., min. | % | ASTM D2042 | 99 | — | | Drop in penetration after heating, max. | % | ASTM D5 | — | 20 | | Application temperatures, mixing | °C | — | 140 | 165 |
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