DYNAMIC BEHAVIOUR OF SLENDER CABLE SUPPORTED FOOTBRIDGES

【Author】

David P.THAMBIRATNAM;Nimal J.PERERA;

【Abstract】

<正>With the apphcation of light weight and high strength materials and new engineering technology, modern footbridges are able to cross longer spans, and yet be constructed lighter and more slender than ever to satisfy aesthetical requirements. These slender structures have low natural frequencies and are prone to excessive vibration induced by human activities, as evidenced recently. The dynamic characteristics of these bridges are complex and not well understood at present due to a lack of research information. As a consequence there is no design guide which addresses their behaviour comprehensively.

【Keywords】

mode;DYNAMIC BEHAVIOUR OF SLENDER CABLE SUPPORTED FOOTBRIDGES;

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