‘Robinson’ Pedestrian Bridge in Budapest, Hungary

ce/papers Pub Date : 2024-09-11 DOI:10.1002/cepa.3084
Gábor Pál, András Kemenczés, László Hunyadi, Mihály Szabados
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引用次数: 0

Abstract

‘Robinson’ Bridge was built as part of the National Athletic Centre project in Budapest, Hungary. The 168 m long cable-stayed pedestrian bridge has a 65 m tall inclined pylon standing on a small island. The 12,72 m wide main girder is suspended to a monopylon with a two-plane fan-shaped FLC stay cable system. The landmark bridge's stunning appearance was achieved with hybrid structures. Both the pylon and parts of the slender stiffening girder were made of S460 steel tubes filled with concrete to enhance their load-bearing and dynamic characteristics. Due to very limited construction area, a special erection process was used for the pylon involving a 200t floating crane. The stiffening girder was built with incremental launching. Cable tensioning with a curved deck proposed special design challenges. Large displacements had to be accurately predicted. To meet the strictest requirements for pedestrian comfort, TMDs were applied and dynamic load tests carried out to prove the results.

匈牙利布达佩斯 "鲁滨逊 "步行桥
罗宾逊桥 "是匈牙利布达佩斯国家运动中心项目的一部分。这座长 168 米的斜拉人行桥有一个 65 米高的斜塔,矗立在一个小岛上。12.72 米宽的主梁通过双平面扇形 FLC 斜拉索系统悬挂在单塔上。这座地标性桥梁的迷人外观是通过混合结构实现的。桥塔和部分细长的加劲梁均由填充混凝土的 S460 钢管制成,以增强其承重和动态特性。由于施工面积非常有限,塔架采用了特殊的安装工艺,使用了一台 200 吨的浮吊。加劲梁采用渐进式下水。弧形桥面的钢索张拉带来了特殊的设计挑战。必须准确预测大位移。为满足对行人舒适度的最严格要求,采用了 TMD,并进行了动态载荷测试以证明结果。
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