Table 3 Performance characteristics of PG 58–22 bitumen.
Binder type | Test/Property | Unit | ASTM standard | Test temperature (℃) | Test results | Specification limits | |
|---|---|---|---|---|---|---|---|
Maximum | Minimum | ||||||
- | 7-day average maximum pavement design temperature | ℃ | - | - | - | 58 | - |
Minimum pavement design temperature | ℃ | - | - | - | - | −22 | |
Original bitumen | Flash point temperature | ℃ | D92 | - | 305 | - | 230 |
Viscosity | Pa.s | D4402 | 135 | 0.32 | 3 | - | |
Dynamic shear (G*/sinδ) | kPa | D7175 | 58 | 2.18 | - | 1 | |
Rolling thin-film oven (RTFO)-aged bitumen | RTFOT residue | - | D2872 | 163 | - | - | - |
Mass loss | % | D2872 | - | 0.09 | 1 | - | |
Dynamic shear (G*/sinδ) | kPa | D7175 | 58 | 3.96 | - | 2.2 | |
Pressure aging vessel (PAV) bitumen | PAV residue | - | D6521 | 100 | - | - | - |
Dynamic shear (G*.sinδ) | kPa | D7175 | 22 | 2650 | 5000 | - | |
Creep stiffness (S) | MPa | D6648 | −12 | 109.45 | 300 | - | |
m-Value | - | D6648 | −12 | 0.32 | - | 0.3 | |
