不同优化方法对斜拉桥成桥状态的影响分析探究

Discussion and Study on Influences of Different Optimization Methods on Completion State of Cable-stayed Bridge

参考工程案例实用数据,借助有限元数理计算方式,基于零点移位法和最小屈曲应变能法,对斜拉索桥成桥状态数理计算开展专题分析探究。经过相关索力、弯矩及线形比对,分析了不同优化计算方法对该类型桥梁成桥状态的影响,以为同类斜拉索桥工程应用提供研究和技术参考,助力建设安全牢固的斜拉索桥梁。

Referring to the practical data of engineering cases,with the help of the finite element mathematic calculation mode,based on the zero displacement method and the minimum bucking strain energy method,this paper thematically analyzes and studies the mathematic calculation of the completion state of cable-stayed bridge.According to the comparison of the related cable forces,bending moments and alignments,this paper analyzes the influences of the different optimization calculation methods on the completion state of the cable-stayed bridge in order to provide the study and technical references for the similar projects of cable-stayed bridge,and to help the construction of the safe and strong cable-stayed bridges.