Research Article
Evaluation of the Physical and Adhesive Properties of Natural Weathering Asphalt
Table 1
Performance indexes of AR at three contents.
| Crumb-rubber content (%) | Penetration 0.1 mm (25°C) | Softening point °C | Elastic recovery rate % |
| 22 | 55.1 | 64.7 | 74.0 | 20 | 55.8 | 62.1 | 68.9 | 18 | 56.5 | 60.2 | 65.2 |
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