Research Article

Shrinkage Effects of Using Fly Ash instead of Fine Aggregate in Concrete Mixtures

Table 3

Concrete mixtures used for orthogonal analyses.

MixtureFly ashSand (kg/m3)Gravel (kg/m3)Cement (kg/m3)Water (kg/m3)Water-binder ratioWater reducing agent (kg/)Ambient humidity (% RH)
Percentage (%)Quantity (kg/m3)

S115 (1)106.43761.201094.52329.23131.880.4 (1)9.880 (sealed) (1)
S215 (1)103.06737.061059.82318.79159.400.5 (2)9.5760 (2)
S315 (1)99.87714.261027.03308.93185.410.6 (3)9.27100 (3)
S425 (2)177.38671.641094.52329.23131.880.4 (1)9.88100 (3)
S525 (2)171.75650.351059.82318.79159.400.5 (2)9.570 (sealed) (1)
S625 (2)166.44630.231027.03308.93185.410.6 (3)9.2760 (2)
S735 (3)248.33582.091094.52329.23131.880.4 (1)11.5260 (2)
S835 (3)240.46563.641059.82318.79159.400.5 (2)11.16100 (3)
S935 (3)233.02546.201027.03308.93185.410.6 (3)10.810 (sealed) (1)

Note. Parenthetical numbers (e.g., (1), (2), and (3)) reflect the three levels for each factor considered during analysis.