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在修正钢管混凝土弹性模量的基础上 ,将钢管混凝土桁式拱桥拱肋等代成闭合箱来计算拱肋内力和位移 ,在不失结果准确性的前提下 ,其工作量较其它计算模式大为降低
On the basis of modifying the elastic modulus of concrete-filled steel tube, the internal force and displacement of the arch rib are calculated by closing the arch rib of the CFST arch bridge to the closed box. Without losing the accuracy of the result, the workload is larger than other calculation modes To reduce