Research Article

Prediction of Pile Bearing Capacity Using Opposition-Based Differential Flower Pollination-Optimized Least Squares Support Vector Regression (ODFP-LSSVR)

Table 1

Statistical descriptions of the influencing factors and pile bearing capacity.

VariablesNotationMinMeanStd.Max

The pile diameter (mm)X1300.00363.7748.12400.00
The thickness of the first soil layer that pile embedded (m)X23.403.830.485.72
The thickness of the second soil layer that pile embedded (m)X31.506.581.648.00
The thickness of the third soil layer that pile embedded (m)X40.000.330.461.69
The elevation of pile top (m)X50.682.800.623.40
The elevation of natural ground (m)X63.043.500.084.12
The elevation of extra segment of pile top (m)X71.032.920.604.35
The depth of the pile tip (m)X88.3013.541.8016.09
The average SPT blow count along the pile shaftX95.6010.742.2615.41
The average SPT blow count at the pile tipX104.387.060.667.75
The axial bearing capacity load of pile (kN)Y407.20984.20353.211551.00