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；
The spatial axisymmetric finite element model is established considering the nonlinear of the soil and the interface between pile and soil.
在考虑竖向附加力作用时，井壁结构的设计计算应按空间轴对称问题考虑。
The calculation made a design for shaft wall structure under vertical addition force should consider the problem of space axially symmetry.
采用坐标变换法导出了圆筒空间轴对称问题稳态热传导温度分布的关系式。
Using the variable transformation method, the formulae of the axial symmetrical wall temperature distribution during steady heat conduction of a hollow cylinder are derived in this paper.
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