Research Article
Laboratory Performance Evaluation of High Modulus Asphalt Concrete Modified with Different Additives
Table 10
Comprehensive evaluating system of HMAC performance.
| Evaluation index | HMAC-16, HMAC-20 | HMAC-25 | Test methods |
| Dynamic stability (N/mm) | ≥8000 | | ≥8000 | JTJ T0719 | Shear strength (MPa) | 15°C | 7.5~9.0 | 7.5~9.0 | JTGE40-2007-T0134 | 20°C | 5.5~7.0 | 5.5~7.0 | 60°C | 0.8~1.2 | 0.8~1.2 | Static modulus (MPa) | 15°C | 2600~3000 | 2300~2700 | ASTM D1074 (rate of 2 mm/min) | 20°C | 2000~2400 | 1800~2200 | 60°C | 450~650 | 400~600 | Dynamic modulus (MPa) | 15°C | 18000~23000 | 16000~20000 | AASHTO TP 62-03 | 20°C | 14000~18000 | 14000~16000 | 60°C | 2600~3200 | 1800~2400 |
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