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Table 3

Compressive strength of concrete for different percentages of TW in the water mixture

SampleCompressive strength (MPa)
Percentage of TW
0%50%75%100%
29.47 26.72 32.71 28.97 
28.72 31.22 39.96 28.97 
27.47 26.72 31.22 32.96 
31.47 25.47 27.97 34.96 
28.72 25.97 37.21 33.21 
26.22 23.22 31.22 38.21 
23.72 27.72 32.46 30.22 
32.96 28.47 31.71 36.71 
28.97 26.72 32.21 36.46 
10 29.47 26.47 32.71 37.21 
Average (MPa)a 28.72 ab 26.87 b 32.94 a 33.79 a 
SampleCompressive strength (MPa)
Percentage of TW
0%50%75%100%
29.47 26.72 32.71 28.97 
28.72 31.22 39.96 28.97 
27.47 26.72 31.22 32.96 
31.47 25.47 27.97 34.96 
28.72 25.97 37.21 33.21 
26.22 23.22 31.22 38.21 
23.72 27.72 32.46 30.22 
32.96 28.47 31.71 36.71 
28.97 26.72 32.21 36.46 
10 29.47 26.47 32.71 37.21 
Average (MPa)a 28.72 ab 26.87 b 32.94 a 33.79 a 

aThe different letters in each column indicate significant difference (p < 0.05).

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