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首页> 外文会议>Innovative infrastructures - toward human urbanism : Report >Wind-resistant study on the steel middle pylon of Taizhou Yangtze River Bridge
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Wind-resistant study on the steel middle pylon of Taizhou Yangtze River Bridge

机译：台州长江大桥钢中塔抗风研究

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The type of three-pylon suspension bridge is applied to more and more large-span bridges. Windresistancernin design and construction of middle pylon is of great concern for this type of bridge. Inrnthis paper, both wind tunnel test and CFD (computational fluid dynamics) are introduced to thernwind-resistant study on middle steel pylon of Taizhou Yangtze River Bridge. Through segmentrnsectional model testing and CFD analyzing, more accurate aerodynamic force coefficients arernsuggested for the pylon’s structure design. Through full aero-elastic model testing, wind-inducedrnvibration is checked, which includes vortex resonance, buffeting and galloping. All these resultsrnobtained play an important part in middle pylon’s actual design and construction. In the meantime,rnthey are also meaningful references for other similar middle pylons.
机译：三塔式悬索桥的类型被应用于越来越多的大跨度桥梁。对于这种类型的桥梁，中塔的抗风阻设计和施工倍受关注。本文将风洞试验和CFD（计算流体动力学）引入到台州长江大桥中钢塔的抗风研究中。通过分段截面模型测试和CFD分析，可以为塔架的结构设计建议更精确的空气动力系数。通过完整的空气弹性模型测试，检查了风振，包括涡旋共振，抖振和舞动。获得的所有这些结果在中塔的实际设计和施工中起着重要的作用。同时，它们对于其他类似的中塔也是有意义的参考。

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