Table 7 The cube (\({f}_{cu}\)) and cylinder (\({f}_{c}{\prime}\)) compressive strength at 28 days for all mixes.
From: Effect of blending GGBS and silica fume on the mechanical properties of geopolymer concrete
Group | Mix Designation | AAS | 28-day Compressive Strength (MPa) | ||
|---|---|---|---|---|---|
\({f}_{c}{\prime}\) | \({f}_{cu}\) | \({f}_{c}{\prime}/{f}_{cu}\) | |||
A | G100S0 | 1.5 | 8.2 | 20.8 | 0.39 |
G75S25 | 1.5 | 8.8 | 21.5 | 0.41 | |
G50S50 | 1.5 | 11.6 | 27.8 | 0.42 | |
G25S75 | 1.5 | 7.3 | 16.3 | 0.45 | |
G0S100 | 1.5 | 3.9 | 7.5 | 0.52 | |
B | G100S0 | 2.0 | 12.9 | 34.7 | 0.37 |
G75S25 | 2.0 | 13.1 | 28.2 | 0.47 | |
G50S50 | 2.0 | 7.4 | 16.2 | 0.46 | |
G25S75 | 2.0 | 3.7 | 12.5 | 0.30 | |
G0S100 | 2.0 | 3.0 | 12.3 | 0.24 | |