悬索桥成桥线形求解方法比较

Analytical Methods of Completed Bridge Geometric Shape of Suspension Bridge

本文采用Excel内置计算公式,根据确定的设计参数,采用分段悬链线解析方法快速计算出悬索桥成桥线形;并结合有限元软件Midas以及大型通用有限元软件ANSYS,根据悬索桥受力特点计算出相应成桥线形,并将这三种(两类)方法计算结果进行相互校核。结果表明,分段悬链线结合Excel计算能够快速计算出成桥线形;有限元方法具有对整体结构分析结果直观和全面的优点。这两类分析方法可为同类工程的设计提供参考。

Completed bridge geometric shape of suspension bridge was calculated based on specific design parameter by using analytical method of segmental catenary in combination with internally installed formula in Excel.Completed bridge geometric shape of suspension bridge was also calculated by using Midas and ANSYS as a contrast.The results of these three methods were checked by each other.The results indicate completed bridge geometric shape of suspension bridge can be calculated rapidly by using analytical method of segmental catenary in combination with internally installed formula in Excel;the finite element method using Midas and ANSYS can be more perceptual and across-the-board.These two analytical methods can be references for the following designing.