Table 4 Variance analysis for main effects on SE
Source of deviation | Deviation sum of squares | Degree of freedom | Mean square error | F ratio | P value | F0.05 (3.3) critical value |
|---|---|---|---|---|---|---|
Particle size A (mm) | 154.39 | 3 | 51.46 | 2.42 | 0.244 | 9.28 |
Final water pressure difference B (kPa) | 21.46 | 3 | 7.15 | 0.34 | 0.803 | 9.28 |
Cement slurry/sodium silicate ratio C | 782.26 | 3 | 260.75 | 12.24 | 0.034 | 9.28 |
Relative density of aggregates D | 228.49 | 3 | 76.16 | 3.58 | 0.162 | 9.28 |
Error | 63.91 | 3 | 21.30 |