Table 1
Physical properties of the aggregates.
Physical property Coarse aggregate Fine aggregate
OPS OPBC Normal sand
Specific gravity 1.22 2.08 2.66
Fineness modulus 5.98 3.12 2.89
Bulk density (loose) (kg/m3) 561 1025 1524
Bulk density (compacted) (kg/m3) 626 1137 1657
Water Absorption (24 h) (%) 18.7 3.6 1.2
Grading
Sieve size (mm) Cumulative % by weight passing
19.1 100.0 100.0 100.0
9.5 99.8 100.0 100.0
4.75 2.2 99.5 100.0
2.36 0.0 71.2 87.1
1.18 0.0 50.1 62.6
0.6 0.0 33.2 36.6
0.3 0.0 21.4 18.3
0.15 0.0 12.2 6.3