Research Article
Repeated Uniaxial Compression Test of Permeable Friction Courses Mixtures under Seepage Field and Stress Field Coupling
Table 1
Technical properties of high-viscosity polymer-modified asphalt.
| No. | Item | Unit | Requirements | Results |
| 1 | Penetration degree (25°C, 100 g, 5 s) | 0.1 mm | 40–60 | 48 | 2 | Ductility (5°C, 5 cm/min) | cm | ≥ 35 | 47 | 3 | Softening point TR&B | °C | ≥ 85 | 97 | 4 | Capillary dynamic viscosity, 60°C | kPa·s | 400–800 | 509.6 | 5 | Viscosity, 25°C | N·m | ≥ 25 | 53.3 | 6 | Toughness, 25°C | N·m | ≥ 20 | 35.0 | 7 | Elastic recovery, 25°C | % | ≥ 90 | 99.3 |
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