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利用四阶微分方程求解刚构墩的临界压力P_(cr),将计算结果与Midas屈曲分析结果进行比较。利用欧拉公式得出刚构墩的计算长度系数μ值。
The fourth order differential equation is used to solve the critical pressure P_ (cr) of rigid frame piers. The calculated results are compared with the results of Midas buckling analysis. The Euler formula is used to calculate the calculated length coefficient of rigid frame pier μ value.