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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2005, Vol. 6 Issue ( 8): 12-    DOI: 10.1631/jzus.2005.A0869
    
Aerodynamic stability of cable-stayed-suspension hybrid bridges
ZHANG Xin-jun, SUN Bing-nan
School of Civil Engineering and Architecture, Zhejiang University of Technology, Hangzhou 310014, China; School of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310027, China
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Abstract  Three-dimensional nonlinear aerodynamic stability analysis was applied to study the aerodynamic stability of a cable-stayed-suspension (CSS) hybrid bridge with main span of 1400 meters, and the effects of some design parameters (such as the cable sag, length of suspension portion, cable plane arrangement, subsidiary piers in side spans, the deck form, etc.) on the aerodynamic stability of the bridge are analytically investigated. The key design parameters, which significantly influence the aerodynamic stability of CSS hybrid bridges, are pointed out, and based on the wind stability the favorable structural system of CSS hybrid bridges is discussed.

Key words： Cable-stayed-suspension (CSS) hybrid bridge      Aerodynamic stability      Parametric analysis     
Received: 29 October 2004     
CLC:  TU448.25  
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ZHANG Xin-jun
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Cite this article:

ZHANG Xin-jun, SUN Bing-nan. Aerodynamic stability of cable-stayed-suspension hybrid bridges. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2005, 6( 8): 12-.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2005.A0869     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2005/V6/I 8/12

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