依据岩石圈弹性挠曲均衡补偿理论建立地形-均衡补偿重力、大地水准面异常的球谐级数表达式。
Base on theory of lithosphere elastic flexure isostatic compensation, the spheric harmonic series expressions of topography-isostasy compensation gravity and geoid are established.
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).
文中采用门式刚架作为算例，分别研究了弹性、塑性及不同初始挠曲对其稳定性的影响。
With a door rigid frame as example, the influence is analyzed of elasticity, plasticity and different initial bending on stability of the frame respectively.
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.
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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