Method for predicting axial compression bearing capacity of concrete-filled square steel tube short column

The invention discloses a square steel tube concrete short column axial pressure bearing capacity prediction method which comprises the following steps: 1, performing an axial pressure test on N square steel tube concrete short columns to obtain the axial pressure bearing capacity of the N square steel tube concrete short columns and N groups of axial pressure bearing capacity influence factor data; 2, acquiring an influence factor set with high correlation degree; 3, obtaining an influence factor dimensionality reduction matrix; 4, training the prediction model for the axial pressure bearing capacity of the concrete-filled square steel tube short column; and 5, predicting the axial pressure bearing capacity of the concrete-filled square steel tube short column subsequently. The method is simple in step, the axial pressure bearing capacity prediction model of the concrete-filled square steel tube short column is obtained by utilizing historical data of the concrete-filled square steel tube short column, the a