高速铁路矮塔斜拉桥主梁局部受力行为分析
发布时间:2019-06-03 17:10
【摘要】:新建商丘至合肥至杭州铁路工程颍上特大桥在主梁斜拉索锚固区采用相比于隔板更为轻巧的横梁结构。针对这种新颖结构,为更好地了解其受力特性、优化构造细节,建立中支点至中跨跨中间的1/4主梁模型。模型考察主梁横梁局部应力,得到增设倒角可降低此处横向拉应力的结论。同时还关注腹板剪力分配,得到在无索区段中腹板承担较大剪力,有索区段相反的结论。最后通过索力作用下桥面板纵向应力分布模式,显示出索力在桥面板的传力路径,为结构局部优化、横向分析及结构配筋提供依据。
[Abstract]:The Yingshang Bridge of Shangqiu to Hefei-Hangzhou Railway Project adopts a lighter beam structure than the partition in the cable-stayed Anchorage area of the main beam. In order to better understand the stress characteristics and optimize the structural details of this novel structure, a 1 鈮,
本文编号:2492092
[Abstract]:The Yingshang Bridge of Shangqiu to Hefei-Hangzhou Railway Project adopts a lighter beam structure than the partition in the cable-stayed Anchorage area of the main beam. In order to better understand the stress characteristics and optimize the structural details of this novel structure, a 1 鈮,
本文编号:2492092
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