Table 5 Correlation analysis between pore volume change rate and strength Attenuation rate.
Water content | Variable | Pearson coefficient | P-value | Spearman coefficient | P-value |
|---|---|---|---|---|---|
5% | △V_Mac | -1.000 | 0.013** | -1.000 | 0.000*** |
△V_Mes | -0.998 | 0.039** | -1.000 | 0.000*** | |
△V_Sma | 0.009 | 0.994 | 0.500 | 0.667 | |
△V_Mic | 0.075 | 0.952 | 0.500 | 0.667 | |
10% | △V_Mac | -0.999 | 0.030** | -1.000 | 0.000*** |
△V_Mes | -0.999 | 0.035** | -1.000 | 0.000*** | |
△V_Sma | 0.915 | 0.264 | 1.000 | 0.000*** | |
△V_Mic | -0.842 | 0.363 | -0.500 | 0.667 | |
15% | △V_Mac | -0.995 | 0.065* | -1.000 | 0.000*** |
△V_Mes | -0.983 | 0.118 | -1.000 | 0.000*** | |
△V_Sma | 0.981 | 0.125 | 1.000 | 0.000*** | |
△V_Mic | 0.998 | 0.039** | 1.000 | 0.000*** | |
20% | △V_Mac | -0.992 | 0.081* | -1.000 | 0.000*** |
△V_Mes | -0.982 | 0.119 | -1.000 | 0.000*** | |
△V_Sma | 0.990 | 0.090* | 1.000 | 0.000*** | |
△V_Mic | -0.812 | 0.397 | -0.500 | 0.667 | |
25% | △V_Mac | -0.991 | 0.086* | -1.000 | 0.000*** |
△V_Mes | -1.000 | 0.003*** | -1.000 | 0.000*** | |
△V_Sma | 0.997 | 0.047** | 1.000 | 0.000*** | |
△V_Mic | 0.021 | 0.986 | -0.500 | 0.667 |
