Table 2.
Physical properties of different types of aggregates.
| Indexes | Standard | Basalt | Granite | Diabase | Limestone | Dacite | BOF Slag | Demolition Waste |
|---|---|---|---|---|---|---|---|---|
| Bulk S.G. | ASTM C127 | 2.842 | 2.691 | 2.953 | 2.716 | 2.709 | 3.197 | 2.591 |
| Apparent S.G. | ASTM C127 | 2.887 | 2.723 | 2.970 | 2.754 | 2.740 | 3.396 | 2.623 |
| Water absorption (%) | ASTM C127 | 0.4 | 0.6 | 0.3 | 0.8 | 0.4 | 2.5 | 6.9 |
| Los Angeles abrasion (%) | ASTM C131 | 16.8 | 21.6 | 16.6 | 22.1 | 12.1 | 13.1 | 33.6 |
| Volume expansion (%) | BS EN1744-1 | N/A | N/A | N/A | N/A | N/A | 1.3 | N/A |
| Free lime content (%) | BS EN1744-1 | N/A | N/A | N/A | N/A | N/A | 2.3 | N/A |
BOF: basic oxygen furnace; S.G.: specific gravity.