Research Article
Rutting Resistance of Hot Mix Asphalt Containing Coarse Recycled Concrete Aggregates Coated with Waste Plastic Bottles
Table 3
Physical and mechanical properties of natural and recycled aggregates.
| | Test | Standard | Natural aggregate | Untreated CRCA | Treated CRCA | Specification limit |
| | Bulk specific gravity (coarse agg.) | ASTM C127 | 2.671 | 2.233 | 2.387 | — | | Maximum water absorption (%) | ACTM C127 | 1.14 | 5.49 | 3.56 | Max 2 | | Los Angeles abrasion (%) | ASTM C131 | 18 | 35 | 27 | Max 30 | | Flat and elongated particles (%) | ASTM D4791 | 7 | 13 | 12 | Max 15 | | Soundness in NaSO4 (%) | ASTM C88 | 4 | 10 | 6 | Max 12 |
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