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Wind-resistant study on the steel middle pylon of Taizhou Yangtze River Bridge

 Wind-resistant study on the steel middle pylon of Taizhou Yangtze River Bridge
Autor(en): , ,
Beitrag für 18th IABSE Congress: Innovative Infrastructures – Towards Human Urbanism, Seoul, Korea, 19-21 September 2012, veröffentlicht in , S. 765-770
DOI: 10.2749/222137912805111140
Preis: € 25,00 inkl. MwSt. als PDF-Dokument  
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The type of three-pylon suspension bridge is applied to more and more large-span bridges. Wind- resistance in design and construction of middle pylon is of great concern for this type of bridge. In...
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Autor(en):


Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: 18th IABSE Congress: Innovative Infrastructures – Towards Human Urbanism, Seoul, Korea, 19-21 September 2012
Veröffentlicht in:
Seite(n): 765-770 Anzahl der Seiten (im PDF): 6
Seite(n): 765-770
Anzahl der Seiten (im PDF): 6
DOI: 10.2749/222137912805111140
Abstrakt:

The type of three-pylon suspension bridge is applied to more and more large-span bridges. Wind- resistance in design and construction of middle pylon is of great concern for this type of bridge. In this paper, both wind tunnel test and CFD (computational fluid dynamics) are introduced to the wind-resistant study on middle steel pylon of Taizhou Yangtze River Bridge. Through segment sectional model testing and CFD analyzing, more accurate aerodynamic force coefficients are suggested for the pylon’s structure design. Through full aero-elastic model testing, wind-induced vibration is checked, which includes vortex resonance, buffeting and galloping. All these results obtained play an important part in middle pylon’s actual design and construction. In the meantime, they are also meaningful references for other similar middle pylons.

Stichwörter:
Windkanaluntersuchung CFD

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