Correlation Analysis and Prediction of the Physical and Mechanical Properties of Coastal Soft Soil in the Jiangdong New District, Haikou, China
Table 2
Statistics of the Pearson’s correlation coefficient among sample’s measured parameters.
Sampling depth
Wet density
Moisture content
Porosity ratio
Plasticity index
Liquidity index
Modulus of compression
Compression coefficient
Cohesive force
Internal friction angle
Sampling depth
1
—
—
—
—
—
—
—
—
—
Wet density
0.529
1
—
—
—
—
—
—
—
—
Moisture content
−0.455
−0.912
1
—
—
—
—
—
—
—
Porosity ratio
−0.476
−0.957
0.998
1
—
—
—
—
—
—
Plasticity index
−0.158
−0.649
0.754
0.752
1
—
—
—
—
—
Liquidity index
−0.344
−0.239
0.182
0.170
−0.426
1
—
—
—
—
Modulus of compression
0.252
−0.426
−0.389
−0.409
−0.297
−0.125
1
—
—
—
Compression coefficient
−0.216
−0.491
0.524
−0.547
−0.298
−0.236
−0.532
1
—
—
Cohesive force
0.233
0.459
−0.453
−0.454
−0.269
−0.243
0.788
−0.440
1
—
Internal friction angle
0.213
0.593
−0.686
−0.681
−0.675
−0.088
0.532
−0.496
0.613
1
Note: For the calculated correlation coefficient, the values of over 0.8, 0.6∼0.8, 0.4∼0.6, 0.2∼0.4, and below 0.2 are indicative of high correlation, strong correlation, moderate correlation, weak correlation, and extremely weak correlation or no correlation, respectively.
