高速鐵路矮塔斜拉橋主梁局部受力行為分析
發(fā)布時間:2019-06-03 17:10
【摘要】:新建商丘至合肥至杭州鐵路工程潁上特大橋在主梁斜拉索錨固區(qū)采用相比于隔板更為輕巧的橫梁結構。針對這種新穎結構,為更好地了解其受力特性、優(yōu)化構造細節(jié),建立中支點至中跨跨中間的1/4主梁模型。模型考察主梁橫梁局部應力,得到增設倒角可降低此處橫向拉應力的結論。同時還關注腹板剪力分配,得到在無索區(qū)段中腹板承擔較大剪力,有索區(qū)段相反的結論。最后通過索力作用下橋面板縱向應力分布模式,顯示出索力在橋面板的傳力路徑,為結構局部優(yōu)化、橫向分析及結構配筋提供依據。
[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,
本文編號: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,
本文編號:2492092
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