The calculation formulas of successive approximations method of the Vierendeel truss are derived by considering horizontal and vertical displacement.

推导了考虑水平和垂直位移时空腹桁架连续代入法的计算公式。

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Combining with the relative movement parameters, a deformation analysis method of successive approximations is presented.

结合相对运动参数，提出了一种逐渐趋近的变形分析方法。

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