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Editorial

Editorial Bridge Structures 6 (2010) 1–2 DOI:10.3233/BRS-2010-007 IOS Press Vehicles traveling on long span bridges are subjected to strong winds. Therefore the designer must consider the actual performance of the bridge at the operation level, and the safety and comfort of the drivers. However, reliability analysis on a vehicle-bridge-wind system is a time consuming process that it is usually considered infeasible in actual practice, especially when dealing with highly non-linear cable-stayed bridges. This issue of Bridge Structures leads off with a paper by Chan and Cheung on “Performance and operational allowable speed limit for vehicle on cable-stayed bridges”. The authors construct a general vehicle stability analysis framework which makes possible the estimation of the maximum allowable vehicle velocity on cablestayed-bridges subjected to different wind intensities. Non-linear properties such as the cable sag, geometrical non-linearity and wind induced buffeting and fluttering effects are studied and implemented into the analysis framework. In addition, the numerical simulation procedure is optimized using the partial iterative process (PIP) and the continuous simulation technique (CST), which can significantly reduce the time needed for performing the reliability analysis. The result of the numerical example demonstrated that both high-sided vehicles and small vehicles are likely to undergo http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bridge Structures IOS Press

Editorial

Mahmoud, Khaled M.
Bridge Structures , Volume 6 (1) – Jan 1, 2010
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Publisher
IOS Press
Copyright
Copyright © 2010 by IOS Press, Inc
ISSN
1573-2487
eISSN
1744-8999
DOI
10.3233/BRS-2010-007
Publisher site
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Abstract

Bridge Structures 6 (2010) 1–2 DOI:10.3233/BRS-2010-007 IOS Press Vehicles traveling on long span bridges are subjected to strong winds. Therefore the designer must consider the actual performance of the bridge at the operation level, and the safety and comfort of the drivers. However, reliability analysis on a vehicle-bridge-wind system is a time consuming process that it is usually considered infeasible in actual practice, especially when dealing with highly non-linear cable-stayed bridges. This issue of Bridge Structures leads off with a paper by Chan and Cheung on “Performance and operational allowable speed limit for vehicle on cable-stayed bridges”. The authors construct a general vehicle stability analysis framework which makes possible the estimation of the maximum allowable vehicle velocity on cablestayed-bridges subjected to different wind intensities. Non-linear properties such as the cable sag, geometrical non-linearity and wind induced buffeting and fluttering effects are studied and implemented into the analysis framework. In addition, the numerical simulation procedure is optimized using the partial iterative process (PIP) and the continuous simulation technique (CST), which can significantly reduce the time needed for performing the reliability analysis. The result of the numerical example demonstrated that both high-sided vehicles and small vehicles are likely to undergo

Journal

Bridge Structures – IOS Press

Published: Jan 1, 2010

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