Table 3 Properties of aggregates and dune sand.
Properties | Standard of test | ACBFS aggregates | Natural aggregates | Dune sand | |||||
|---|---|---|---|---|---|---|---|---|---|
10–20 Mm | 5–10 mm | 0–5 mm | 10–20 mm | 5–10 mm | 0–5 mm | < 0.5 mm | |||
Density (t/m3) | Oven dry | ASTM C127 28 CL.8 | 3.47 | 3.51 | 3.51 | 2.68 | 2.67 | 2.64 | 2.61 |
Saturated surface dry | 3.51 | 3.55 | 3.56 | 2.69 | 2.69 | 2.66 | 2.63 | ||
Apparent | 3.62 | 3.65 | 3.69 | 2.71 | 2.71 | 2.7 | 2.66 | ||
Water absorption (%) | ASTM C127 28 | 1.2 | 1.1 | 1.4 | 0.4 | 0.5 | 0.8 | 0.7 | |
Acid soluble chloride content (Cl) (% by weight) | BS 812 Part 117; App C: 1988 | 0.01 | 0.02 | 0.02 | 0.01 | 0.01 | 0.01 | 0.01 | |
Acid soluble sulphate content (SO3) (% by weight) | BS 812 Part 118; M6: 1988 | 0.11 | 0.14 | 0.06 | 0.03 | 0.04 | 0.04 | 0.04 | |
