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建立了应用双换算法和有限元法程序来分析飞燕式钢管混凝土拱桥徐变次内力的计算模型。按本法对一个算例所得到的计算结果与按力法的计算值吻合甚好。
The calculation model of the secondary internal force of the Swallow-type CFST arch bridge was established by applying the double-change method and the finite element method. The calculated result of an example according to this Law is in good agreement with the calculated value of the thrust method.