Table 2. Nomenclature and compositional information of studied asphalt formulations.
| Binder | PPO, % | Rubber, % | Sulfur, % | Asphalt Formulation Method* |
|---|---|---|---|---|
| R | 0 | 16 | 0 | Conventional (Control) |
| RP2 | 2 | 16 | 0 | SA |
| RP4 | 4 | 16 | 0 | SA |
| RP6 | 6 | 16 | 0 | SA |
| RP8 | 8 | 16 | 0 | SA |
| RP2-S | 2 | 16 | 0.3 | SA-S |
| RP4-S | 4 | 16 | 0.3 | SA-S |
| RP6-S | 6 | 16 | 0.3 | SA-S |
| RP8-S | 8 | 16 | 0.3 | SA-S |
| RP2p | 2 | 16 | 0 | PA |
| RP4p | 4 | 16 | 0 | PA |
| RP6p | 6 | 16 | 0 | PA |
| RP8p | 8 | 16 | 0 | PA |
| RP2p-S | 2 | 16 | 0.3 | PA-S |
| RP4p-S | 4 | 16 | 0.3 | PA-S |
| RP6p-S | 6 | 16 | 0.3 | PA-S |
| RP8p-S | 8 | 16 | 0.3 | PA-S |
*SA: Sequential addition of rubber and oil; SAS: Sequential addition of rubber and oil along with sulfur; PA: Pre-swelling with heat-treatment; PAS: Pre-swelling with heat-treatment along with sulfur.