Research Article
Study on Epoxy Resin-Modified Asphalt Binders with Improved Low-Temperature Performance
Table 1
Basic performance of A-70 matrix asphalt binder.
| Items | A-70 matrix asphalt binder | Results | Index |
| Penetration (25°C, 100 g, 5 s)/0.1 mm | 74.0 | 60‐80 | Ductility (15°C, 5 cm/min)/cm | >120 | >100 | Softening point (ring and ball method)/°C | 47.4 | ≥46 |
| Solubility (%) | 99.90 | >99.5 | Residue after | Quality change (%) | −0.1 | ≤±0.8 | RTFOT | Penetration ratio (%) | 73 | ≥61 |
| Relative density of asphalt at 25°C/(g/cm3) | 1.031 | — |
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