The method of deformation of uplift piles presented by Sulaiman in 1976 is modified;the displacement on top of the uplift pile is adjusted by dichotomy.

• 对前人提出的抗拔桩变形分析方法进行改进，通过二分法调整桩顶的变形值，从而可以较好地预测荷载较小时抗拔桩的变形值。