80 m下承式系杆拱桥结构计算分析与对比研究

Structural Calculation Analysis and Comparative Study of 80 m Lower through Tie Arch Bridge

摘要: 以灵山人行桥第四跨为背景，利用Midas Civil和桥梁博士软件分别对桥梁进行建模计算，将两者计算结果进行对比，分析两款软件在桥梁内力和变形上计算结果的偏差，并对计算结果产生差异的原因进行分析，为判断下承式无推力系杆拱内力计算结果的准确性提供依据。

Abstract: Taking the fourth span of Lingshan footbridge as the background, Midas Civil and Dr. Bridge software are used to model and calculate the bridge respectively, and the calculation results of the two software are compared to analyze the deviation of the calculation results of the internal force and deformation of the bridge, and the reasons for the difference of the calculation results are analyzed. The results provide a basis for judging the accuracy of the calculation results of the internal force of the lower thrust tie rod.