Table 3 Mix proportions of control and geopolymer concrete (kg/m3).
From: Flexural Behavior of Low Calcium Fly Ash Based Geopolymer Reinforced Concrete Beam
Beam designation | CB | GPC |
|---|---|---|
Grade of concrete | M20 | M20 |
Cement | 383 | – |
Flay ash | – | 437 |
Water to binder ratio | 0.5 | – |
Na2SiO3/NaOH | – | 17.93 |
(Na2SiO3/NaOH)/fly ash | Â | 0.45 |
Water | 191.6 | 38.12 |
Fine aggregate | 652 | 652 |
Coarse aggregate | 1308 | 1308 |
Curing | 28 days water | 60 °C at 24 h |
Slump value (mm) | 145 | 132 |