Research Article
Influence of Marble Powder and Polypropylene Fibers on the Strength and Durability Properties of Self-Compacting Concrete (SCC)
Table 5
ANOVA analysis of the response models.
| Model | Source | Sum of squares | df | Mean square | F-value | value | Significance of the model |
| Compressive strength | Model | 164.38 | 3 | 54.79 | 8.20 | 0.0038 | Significant | A-marble powder | 161.34 | 1 | 161.34 | 24.14 | 0.0005 | | B-PP fiber | 1.82 | 1 | 1.82 | 0.2719 | 0.6124 | | C-cement | 1.23 | 1 | 1.23 | 0.1833 | 0.6768 | | Residual | 73.53 | 11 | 6.68 | | | | Cor total | 237.91 | 14 | | | | |
| Split tensile strength | Model | 1.00 | 3 | 0.3345 | 10.50 | 0.0011 | Significant | A-marble powder | 0.9958 | 1 | 0.9958 | 31.25 | 0.0001 | | B-PP fiber | 0.0027 | 1 | 0.0027 | 0.0846 | 0.7762 | | C-cement | 0.0051 | 1 | 0.0051 | 0.1586 | 0.6974 | | Residual | 0.3823 | 12 | 0.0319 | | | | Lack of fit | 0.3823 | 11 | 0.0348 | | | | Pure error | 0.0000 | 1 | 0.0000 | | | | Cor total | 1.39 | 15 | | | | |
| Flexural strength | Model | 0.8897 | 9 | 0.0989 | 7.50 | 0.0117 | Significant | A-marble powder | 0.6440 | 1 | 0.6440 | 48.89 | 0.0004 | | B-PP fiber | 0.0179 | 1 | 0.0179 | 1.36 | 0.2880 | | C-cement | 0.0005 | 1 | 0.0005 | 0.0394 | 0.8492 | | Residual | 0.0790 | 6 | 0.0132 | | | | Lack of fit | 0.0789 | 5 | 0.0158 | 159.28 | 0.0601 | Not significant | Pure error | 0.0001 | 1 | 0.0001 | | | |
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