Research Article
Effect of Nano-Cobalt Oxide on the Rheological Behavior of Asphalt Binder and Mechanical Characteristics of Hot Mix Asphalt
Table 1
Properties of aggregates.
| | Test | Specification | Result |
| | Coarse aggregates | | Bulk specific gravity (g/cm3) | ASTM C127 | 2.61 | | SSD specific gravity (g/cm3) | 2.63 | | Apparent specific gravity (g/cm3) | 2.75 | | Maximum water absorption (%) | ASTM C127 | 1.2 | | Flat and elongated particles (%) | ASTM D4791 | 7.1 | | Los Angeles abrasion (%) | ASTM C131 | 17.3 | | Sodium sulfate soundness (%) | ASTM C88 | 1.9 | | Fine aggregates | | Bulk specific gravity (g/cm3) | ASTM C128 | 2.60 | | SSD specific gravity (g/cm3) | 2.62 | | Apparent specific gravity (g/cm3) | 2.65 | | Specific gravity (filler) (g/cm3) | ASTM D854 | 2.55 | | Maximum water absorption (%) | ASTM C127 | 1.2 | | Flat and elongated particles (%) | ASTM D4791 | 9 | | Sodium sulfate soundness (%) | ASTM C88 | 4 | | Crushed content (two faces) (%) | ASTM D5821 | 91 | | Fine aggregate angularity (%) | ASTM 1252 | 51.8 |
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