Research Article
Study on Proportion Optimization of Magnesium Oxychloride Cement-Stabilized Clayey Soil Based on the Response Surface Methodology
Table 8
Analysis of variance for regression models of softening coefficient.
| | Source | Sum of squares | F value | value |
| | Model | 0.044 | 45.05 | <0.0001 | | X 1 | 1.250 × 10−3 | 11.54 | 0.0146 | | X 2 | 3.125 | 2.88 | 0.1403 | | X 3 | 7.813 | 72.12 | 0.0001 | | 5.625 | 51.92 | 0.0004 | | 0.000 | 0.000 | 1.0000 | | 0.029 | 266.77 | <0.0001 | | X 1X 2 | 0.000 | 0.000 | 1.0000 | | X 1X 3 | 0.000 | 0.000 | 1.0000 | | X 2X 3 | 2.500 × 10−5 | 0.23 | 0.6480 | | Adjusted R2 = 0.9635; predicted R2 = 0.8544 |
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