Based on golden section method, the author has established Gan-Chen model which accurately obtain that the position of neutral point and mid-point is located at 0.382 L and 0.618L, respectively.

• 笔者应用黄金分割原理建立的Gan-Chen模式；能正确地计算出:桩的中和点在0.；382L处; 中性点则在0