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在钢轴心受压构件设计中，由于牵涉到的未知量太多，截面设计往往是按已有工程经验进行初选或采用试算法，步骤繁杂，且须多次调整。为了解决这一问题，本文试从对轴心受压构件两方向等稳定的角度出发，依据局部稳定的条件，推导出轴心受压工字形焊接组合截面的计算公式，以直
In the design of steel axial compression members, due to too many unknowns involved, the cross-section design is usually based on existing engineering experience for preliminary selection or trial algorithm, the steps are complex and must be adjusted several times. In order to solve this problem, in this paper, from the perspective of the stability of the axial compression member in both directions, according to the conditions of local stability, the formula for calculating the welding cross section of the axially compressed I-shaped welding is deduced to straight