土木工程  >> Vol. 5 No. 4 (July 2016)

基于能量法单索面斜拉桥宽箱梁剪力滞效应分析
Study on Shear Lag Effect of Wide Box Girder Based on Energy Method in Single-Cable-Plane Cable-Stayed Bridge

DOI: 10.12677/HJCE.2016.54021, PDF, HTML, XML, 下载: 1,360  浏览: 3,956  国家自然科学基金支持

作者: 谭冬莲*:上海应用技术大学,上海;秦凤江:重庆大学,重庆

关键词: 单索面斜拉桥宽箱梁能量法剪力滞效应有限元Single-Cable-Plane Cable-Stayed Bridge Wide Box Girder Energy Method Shear Lag Effect Finite Element

摘要: 本文对单索面斜拉桥在弯矩和轴力作用下箱梁剪力滞效应进行分析,以济南某黄河公路大桥为例,运用能量法得到恒载剪力滞计算公式,方便实用,理论计算结果与实体有限元模型计算结果吻合良好,结果显示单索面斜拉桥宽箱梁剪力滞效应比较大,设计时应予以高度重视。
Abstract: Box beam shear lag effect of single-cable-plane cable-stayed bridge under bending moment and axial force is analyzed in this paper. Taking one Yellow River Bridge in Jinan as an example, the formula of shear lag under dead load has been set up using the Energy Variation Method. It is convenient and practical. The theoretical calculation results are in good agreement with those obtained in the solid finite element model. The results show that the shear lag effect of single-cable- plane cable-stayed bridge with wide box girder is bigger. It should be highly valued in the design.

文章引用: 谭冬莲, 秦凤江. 基于能量法单索面斜拉桥宽箱梁剪力滞效应分析[J]. 土木工程, 2016, 5(4): 156-162. http://dx.doi.org/10.12677/HJCE.2016.54021

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