Table 5 Examination of mortar variance.
Indexes of performance | Parameter | Degree of freedom | Sum of squares | Mean square | Contribution (%) |
|---|---|---|---|---|---|
Dry density | W/B | 3 | 240,730 | 80243.4 | 66.73 |
BSA (%) | 3 | 30,147 | 10049.1 | 8.35 | |
SBR (%) | 3 | 2208 | 736.1 | 0.61 | |
BF (%) | 3 | 79,286 | 26428.7 | 21.98 | |
Residual | 3 | 8341 | 2780.4 | 2.31 | |
Total | 15 | 360,713 | 120237.7 | 100 | |
Water absorption | W/B | 3 | 0.6798 | 0.2266 | 2.15 |
BSA (%) | 3 | 3.3721 | 1.1240 | 10.71 | |
SBR (%) | 3 | 1.1557 | 0.3852 | 3.67 | |
BF (%) | 3 | 25.7121 | 8.5707 | 81.67 | |
Residual | 3 | 0.5632 | 0.1877 | 1.78 | |
Total | 15 | 31.4829 | 10.4942 | 100 | |
Compressive strength | W/B | 3 | 492.02 | 164.008 | 54.04 |
BSA (%) | 3 | 89.56 | 29.854 | 9.83 | |
SBR (%) | 3 | 13.96 | 4.654 | 1.53 | |
BF (%) | 3 | 234.90 | 78.301 | 25.80 | |
Residual | 3 | 79.99 | 26.662 | 8.78 | |
Total | 15 | 910.44 | 303.479 | 100 | |
Flexural strength | W/B | 3 | 14.2341 | 4.7447 | 56.03 |
BSA (%) | 3 | 2.0362 | 0.6787 | 8.01 | |
SBR (%) | 3 | 0.3904 | 0.1301 | 1.53 | |
BF (%) | 3 | 6.2324 | 2.0775 | 24.53 | |
Residual | 3 | 2.5077 | 0.8359 | 9.87 | |
Total | 15 | 25.4008 | 8.4669 | 100 |
