Research Article
Investigating the Effect of Calcium Lignosulfonate on the Durability and Performance of Asphalt Mixtures
Table 2
Physical characteristics of the coarse and fine aggregates.
| Test properties | Unit | Value | Standard ASTM | Specification limit | Coarse aggregate |
| Los Angeles abrasion value | % | 21 | C131 | ≤25 | Fractured particles in one side | % | 96 | D5821 | ≥95 | Fractured particles in two sides | % | 92 | D5821 | ≥90 | Bulk specific gravity | Gr/ | 2.66 | C127 | – | Apparent specific gravity | Gr/ | 2.74 | C127 | – | Water absorption | % | 0.84 | C127 | ≤2.5 | Fine aggregate | Bulk specific gravity | Gr/ | 2.66 | C128 | – | Apparent specific gravity | Gr/ | 2.87 | C128 | – | Water absorption | % | 3.3 | C128 | ≤2.5 | Sand equivalent | % | 74 | D2419 | ≥50 |
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