Table 2 Physical properties of fly ash, GGBFS, silica fume and metakaolin.
From: Phenomenological Model to Re-proportion the Ambient Cured Geopolymer Compressed Blocks
Binder | Source | Specific gravity | Percentage coarser than 45 microns | Fineness (m2/kg) | Loss on ignition | Lime reactivity (MPa) |
|---|---|---|---|---|---|---|
Fly ash-FA1 | Thermal power plant-unprocessed | 2.40 | 0.00 | 1,134.1 | 0.9 | 7.23 |
Fly ash-FA2 | Thermal power plant-processed | 2.30 | 2.1 | 524 | 0.8 | 8.2 |
Fly ash-FA3 | Thermal power plant-processed | 2.40 | 16.12 | 350 | 1.2 | 5.4 |
Fly ash-FA4 | Thermal power plant-processed | 2.00 | 71.98 | 110 | 4.0 | 3.2 |
GGBFS | Commercially procured | 2.50 | 10.45 | 370 | 0.3 | – |
Silica fume | Commercially procured | 2.20 | 0.0 | 29,200 | 0.89 | 8.1 |
Metakaolin | Commercially procured | 2.5 | 0.5 | 1,500 | 2.3 | – |