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CLC number: U448.25

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Received: 2005-03-08

Revision Accepted: 2005-08-10

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.3 P.424~429

10.1631/jzus.2006.A0424


Advanced aerostatic analysis of long-span suspension bridges


Author(s):  Zhang Xin-jun

Affiliation(s):  School of Civil Engineering and Architecture, Zhejiang University of Technology, Hangzhou 310014, China

Corresponding email(s):   xjzhang@zjut.edu.cn

Key Words:  Long-span suspension bridge, Aerostatic analysis, Nonlinear wind-structure interaction, Wind speed spatial non-uniformity, Cable&rsquo, s wind load


Zhang Xin-jun. Advanced aerostatic analysis of long-span suspension bridges[J]. Journal of Zhejiang University Science A, 2006, 7(3): 424~429.

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author="Zhang Xin-jun",
journal="Journal of Zhejiang University Science A",
volume="7",
number="3",
pages="424~429",
year="2006",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2006.A0424"
}

%0 Journal Article
%T Advanced aerostatic analysis of long-span suspension bridges
%A Zhang Xin-jun
%J Journal of Zhejiang University SCIENCE A
%V 7
%N 3
%P 424~429
%@ 1673-565X
%D 2006
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2006.A0424

TY - JOUR
T1 - Advanced aerostatic analysis of long-span suspension bridges
A1 - Zhang Xin-jun
J0 - Journal of Zhejiang University Science A
VL - 7
IS - 3
SP - 424
EP - 429
%@ 1673-565X
Y1 - 2006
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2006.A0424


Abstract: 
As the span length of suspension bridges increases, the diameter of cables and thus the wind load acting on them, the nonlinear wind-structure interaction and the wind speed spatial non-uniformity all increase consequently, which may have unnegligible influence on the aerostatic behavior of long-span suspension bridges. In this work, a method of advanced aerostatic analysis is presented firstly by considering the geometric nonlinearity, the nonlinear wind-structures and wind speed spatial non-uniformity. By taking the Runyang Bridge over the Yangtze River as example, effects of the nonlinear wind-structure interaction, wind speed spatial non-uniformity, and the cable&rsquo;s wind load on the aerostatic behavior of the bridge are investigated analytically. The results showed that these factors all have important influence on the aerostatic behavior, and should be considered in the aerostatic analysis of long and particularly super long-span suspension bridges.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Astiz, M.A., 1998. Flutter stability of very long suspension bridges. Journal of Bridge Engineering, ASCE, 3(3):132-139.

[2] Boonyapinyo, V., Yamada, H., Miyata, T., 1994. Wind-induced nonlinear lateral-torsional buckling of cable-stayed bridges. J. Struct. Engrg., ASCE, 120(2):486-506.

[3] Chen, A.R., Song, J.Z., 2000. Research on the wind resistance of Runyang Bridge over the Yangtze River. The Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University (in Chinese).

[4] Cheng, J., Jiang, J.J., Xiao, R.C., Xiang, H.F., 2002. Nonlinear aerostatic stability analysis of Jiang Yin suspension bridge. Engineering Structures, 24(6):773-781.

[5] Xiang, H.F., Lin, Z.X., Bao, W.G., Chen, A.R., Gu, M.(Eds.), 1996. Wind-resistant Design Guidebook for Highway Bridges. People’s Communication Press, Beijing, China (in Chinese).

[6] Xiang, H.F., Chen, A.R., 1998. 21st Century Long-span Bridges in China. In: Larsen, A., Esdah, S.(Eds.), Bridge Aerodymics. Balkema, Rotterdam.

[7] Xiao, R.C., Chen, J., 2004. Advanced aerostatic stability analysis of suspension bridges. Wind and Structures, 7(1):55-70.

[8] Xie, Q.M., Xiang, H.F., 1985. Three flutter analysis for bridges by state-space approach. Journal of Tongji University, 3:1-13.

[9] Zhang, X.J., Sun, B.N., Xiang, H.F., 2002. Nonlinear aerostatic and aerodynamic analysis of long-span suspension bridges considering wind-structure interactions. Journal of Wind Engineering and Industrial Aerodynamics, 90(9):1065-1080.

Open peer comments: Debate/Discuss/Question/Opinion

<1>

RAME@student<the_mm90@yahoo.com>

2010-03-25 00:23:07

peace opun you
Iam student , I need information about suspension bridge , because I have case study about this type .
thank you

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