From: Improvement of High-Volume Fly Ash Cementitious Material Using Single Alkali Activation
Chemical composition (%) | Portland cement Type I | Fly ash |
---|---|---|
Silicon dioxide, SiO2 | 20.10 | 35.20 |
Aluminum oxide, Al2O3 | 5.20 | 19.20 |
Iron oxide, Fe2O3 | 3.15 | 17.81 |
Calcium oxide, CaO | 60.24 | 16.65 |
Magnesium oxide, MgO | 1.13 | – |
Sodium oxide, Na2O | 0.11 | 0.63 |
Potassium oxide, K2O | 0.43 | 2.44 |
Sulfur trioxide, SO3 | 2.42 | 1.50 |
LOI | 2.03 | 0.15 |