Research Article
Optimization of CLS Content of Asphalt Mixtures Based on Balanced Mix Design Approach
Table 3
Properties of limestone aggregates.
| | Properties | Standard | Requirements | Coarse agg. (>4.75 mm) | Fine agg. (<4.75 mm) |
| | Los angeles abrasion (%) | AASHTO T96 | ≤30 | 23 | — | | Flat and elongated (3 to 1) (%) | ASTM D4791 | ≤20 | 8 | — | | Flat and elongated (5 to 1) (%) | ASTM D4791 | ≤5 | 0.8 | — | | Soundness, sodium sulfate (%) | AASHTO T104 | ≤15 | 0.2 | 1.0 | | Liquid limit (%) | AASHTO T89 | ≤25 | — | 18 | | Sand equivalent (%) | AASHTO T176 | — | — | 84 |
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