Research Article

Experimental Research on Mix Ratio of Construction Waste Cemented Filling Material Based on Response Surface Methodology

Table 7

Model correlation evaluation.

Evaluation indexY1Y2Y3

Determination coefficient (R2)0.9950.9920.986
Adjusted determination coefficient 0.9900.9870.972
Predictive determination coefficient 0.9300.9700.951
Coefficient of variation (CV)0.610%2.150%1.18%