From: Effect of Relative Levels of Mineral Admixtures on Strength of Concrete with Ternary Cement Blend
Description | OPC | Fly ash | Silica Fume |
---|---|---|---|
Physical properties | |||
Specific gravity | 3.14 | 2.2 | 2.2 |
Blaine’s fineness, m2/kg | 288 | – | – |
Percentage retained on 45μ sieve | – | 17.5 | 8 |
Chemical properties | |||
Calcium oxide, CaO, % | 61.87 | 3.36 | 3.94 |
Silicon dioxide, SiO2, % | 23.14 | 61.72 | 86.67 |
Aluminum oxide, Al2O3, % | 5.84 | 24.12 | 2.14 |
Ferric oxide, Fe2O3, % | 4.16 | 5.11 | 3.31 |
Sulfur trioxide, SO3, % | 1.76 | 0.30 | 0.58 |
Magnesium oxide, MgO, % | 1.33 | 0.40 | 0.61 |
Potassium oxide, K2O, % | 0.58 | – | – |
Sodium oxide, Na2O, % | 0.19 | – | – |
Loss on ignition, % | 1.32 | 1.49 | 1.94 |