Research Article
Shrinkage Effects of Using Fly Ash instead of Fine Aggregate in Concrete Mixtures
Table 3
Concrete mixtures used for orthogonal analyses.
| Mixture | Fly ash | Sand (kg/m3) | Gravel (kg/m3) | Cement (kg/m3) | Water (kg/m3) | Water-binder ratio | Water reducing agent (kg/) | Ambient humidity (% RH) | Percentage (%) | Quantity (kg/m3) |
| S1 | 15 (1) | 106.43 | 761.20 | 1094.52 | 329.23 | 131.88 | 0.4 (1) | 9.88 | 0 (sealed) (1) | S2 | 15 (1) | 103.06 | 737.06 | 1059.82 | 318.79 | 159.40 | 0.5 (2) | 9.57 | 60 (2) | S3 | 15 (1) | 99.87 | 714.26 | 1027.03 | 308.93 | 185.41 | 0.6 (3) | 9.27 | 100 (3) | S4 | 25 (2) | 177.38 | 671.64 | 1094.52 | 329.23 | 131.88 | 0.4 (1) | 9.88 | 100 (3) | S5 | 25 (2) | 171.75 | 650.35 | 1059.82 | 318.79 | 159.40 | 0.5 (2) | 9.57 | 0 (sealed) (1) | S6 | 25 (2) | 166.44 | 630.23 | 1027.03 | 308.93 | 185.41 | 0.6 (3) | 9.27 | 60 (2) | S7 | 35 (3) | 248.33 | 582.09 | 1094.52 | 329.23 | 131.88 | 0.4 (1) | 11.52 | 60 (2) | S8 | 35 (3) | 240.46 | 563.64 | 1059.82 | 318.79 | 159.40 | 0.5 (2) | 11.16 | 100 (3) | S9 | 35 (3) | 233.02 | 546.20 | 1027.03 | 308.93 | 185.41 | 0.6 (3) | 10.81 | 0 (sealed) (1) |
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Note. Parenthetical numbers (e.g., (1), (2), and (3)) reflect the three levels for each factor considered during analysis.
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