| Portland Cement (%) | Fly Ash (%) | Silica Fume (%) |
Oxide |
|
|
|
SiO2 | 17.2 | - | 81.9 |
Al2O3 | 5.1 | - | 0.9 |
Fe2O3 | 2.9 | - | 0.3 |
SiO2 + Al2O3 + Fe2O3 | - | 93.3 |
|
CaO | 57.8 | - | 2.6 |
MgO | 1.4 | - | 0.5 |
Na2O | 0.60 | 0.9 | 0.62 |
K2O | 0.70 | - | 0.54 |
SO3 | 4.1 | 0.4 | 0.1 |
CaO free | 0.5 | - |
|
Loss on ignition (LOI) | 4.7 | 2.4 | 2.8 |
Bogue compounds |
|
|
|
C3S | 54.48 | - | - |
C2S | 8.21 | - | - |
C3A | 8.6 | - | - |
C4AF | 8.82 | - | − |