Table 2 Effect of hydration time on the values of compressive strength at different cement composites (a) OPC (b) OPC + 5% AAS (c) OPC + 10% AAS (d) OPC + 15% AAS.
Cement composites | 1 day | 3 days | 7 days | 28 days |
|---|---|---|---|---|
A0 (Blank) | 32.15 | 52.19 | 68.35 | 80.30 |
A1 (0.5% CF) | 33.58 | 53.64 | 70.77 | 80.63 |
A2 (1% CF) | 34.11 | 54.20 | 71.32 | 80.86 |
A3 (2% CF) | 36.88 | 55.89 | 72.42 | 81.56 |
B0 (5% Sludge) | 34.74 | 53.32 | 69.67 | 80.95 |
B1 (5%Sludge + 0.5% CF) | 38.13 | 55.58 | 70.30 | 82.73 |
B2 (5%Sludge + 1% CF) | 39.26 | 56.06 | 71.09 | 83.05 |
B3 (5%Sludge + 2% CF) | 40.39 | 57.68 | 72.06 | 83.99 |
C0 (10% Sludge) | 37.35 | 56.13 | 71.00 | 82.33 |
C1 (10%Sludge + 0.5% CF) | 38.29 | 58.65 | 71.90 | 83.08 |
C2 (10%Sludge + 1% CF) | 44.92 | 61.07 | 72.71 | 85.63 |
C3 (10%Sludge + 2% CF) | 47.16 | 61.40 | 73.20 | 86.94 |
D0 (15% Sludge) | 30.83 | 49.60 | 63.34 | 67.21 |
D1 (15%Sludge + 0.5% CF) | 31.29 | 50.25 | 65.11 | 69.99 |
D2 (15%Sludge + 1% CF) | 32.00 | 51.83 | 67.86 | 71.36 |
D3 (15%Sludge + 2% CF) | 32.10 | 52.00 | 68.54 | 72.23 |
