Table 6 Geopolymer Physical Properties (L/S 0.26, KOH 10 M, curing at ambient temperature, curing time 28 d)
Geopolymer | GP0 | GPS1 | GPA2 |
|---|---|---|---|
Mass of geopolymer (g) | 350.46 | 360.64 | 362.27 |
Mass of cast after 24 h soak (kg) | 399.45 | 390.35 | 385.13 |
Open porosity | 0.39 | 0.24 | 0.18 |
UCS (MPa) | 12.9 | 14.7 | 24.5 |
UCS (MPa) after 24 h soak | 3.9 | 8.7 | 19.9 |
Water absorption % | 14.0 | 8.2 | 6.3 |