Research Article
Potential Use of Volcanic Ash as Filler Material in Hot Mix Asphalt
Table 1
Bitumen quality test results.
| Property test | Test method | Result | Specification |
| Penetration (25°C, 0.1 mm) | AASHTO T-49 | 65.1 | 60–70 | Ductility (25°C, cm) | AASHTO T-51 | 108 | ≥50 | Softening point (°C) | AASHTO T-53 | 47.2 | 46–56 | Specific gravity (25°C) | ASTM D-70 | 1.018 | 1.01–1.06 | Flash point (°C) | ASTM D-92 | 320 | ≥232 |
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