Table 1.
Mix proportion of geopolymer concrete (GPC) using steel slag aggregates.
| Samples | Fly Ash X1 (kg) |
Na2SiO3 X2 (kg) |
NaOH X3 (kg) |
H2O X4 (kg) |
Compressive Strength Y (MPa) |
|---|---|---|---|---|---|
| GPC 01 | 475.33 | 135.81 | 26.64 | 52.58 | 29.73 |
| GPC 02 | 475.33 | 178.25 | 19.98 | 39.44 | 25.48 |
| GPC 03 | 509.29 | 135.81 | 22.83 | 45.07 | 38.84 |
| – | – | – | – | – | – |
| – | – | – | – | – | – |
| GPC 208 | 491.72 | 158.05 | 24.64 | 38.58 | 44.52 |
| GPC 209 | 482.41 | 172.94 | 22.47 | 35.18 | 38.03 |
| GPC 210 | 509.29 | 135.81 | 29.86 | 38.04 | 50.74 |
| Minimum | 475.33 | 135.81 | 17.13 | 28.53 | 18.92 |
| Maximum | 509.29 | 178.25 | 34.84 | 52.58 | 74.12 |
| SD * | 10.82 | 13.87 | 2.99 | 4.46 | 6.24 |
* SD: Standard deviation.