The spatial axisymmetric finite element model is established considering the nonlinear of the soil and the interface between pile and soil.
考虑桩周土体及桩–土接触的非线性，建立了空间轴对称有限元模型；
Assuming no slippage occurred on the interface between pile and soil, an equivalent equation of displacement coordination is obtained to constitute a new method calculating settlement of single pile.
在假定桩土接触面不产生滑移的条件下，确定在桩基础沉降过程中与能量守恒定律等效的位移协调方程，并在此基础上建立了一种新的单桩沉降计算方法。
The nonlinearity of soil deformation under the pile bottom or the pile side, and the contact nonlinearity at the interface between the pile and soil are considered.
提出的模型可同时考虑桩底土的非线性、桩侧界面接触非线性及桩周土体受剪的非线性变形。
It was validated that the relationship between the side resistance of piles and the difference of tangential displacement between two sides of the pile-soil interface could be expressed by hyperbola.
验证了桩侧阻力与接触面两侧切向位移差之间关系可以用双曲线表示。
It was validated that the relationship between the side resistance of piles and the difference of tangential displacement between two sides of the pile-soil interface could be expressed by hyperbola.
验证了桩侧阻力与接触面两侧切向位移差之间关系可以用双曲线表示。
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