作为计算埋地管道变形和强度的重要基础，给出了弹性地基梁的挠曲线微分方程(位移方程)。
As a important basis of calculating the distortion and strength of the buried pipeline, the paper gives out the space curve differential equations of elastic foundation-beam (displacement equation).
以刚性桩法为基础理论和计算模型、弹性抗力法的计算结果为挠曲修正，首次提出一种既便于手算，又能考虑墙身挠曲变形的墙顶位移修正算法。
This method is easy to use manually as in rigid pile method and takes into account the pile flexibility as in elastic-reaction method as well.
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