Feasibility of a 1,400 m Span Steel Cable-Stayed Bridge
Publication: Journal of Bridge Engineering
Volume 9, Issue 5
Abstract
This paper describes the feasibility of 1,400 m steel cable-stayed bridges from both structural and economic viewpoints. Because the weight of a steel girder strongly affects the total cost of the bridge, the writers present a procedure to obtain a minimum weight for a girder that ensures safety against static and dynamic instabilities. For static instability, elastoplastic, finite-displacement analysis under in-plane load and elastic, finite-displacement analysis under displacement-dependent wind load are conducted; for dynamic instability, multimodal flutter analysis is carried out. It is shown that static critical wind velocity of lateral torsional buckling governs the dimension of the girder. Finally, the writers briefly compare a cable-stayed bridge with suspension bridge alternatives.
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References
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Information
Published In
Journal of Bridge Engineering
Volume 9 • Issue 5 • September 2004
Pages: 444 - 452
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Nov 20, 2001
Accepted: Jan 3, 2003
Published online: Aug 16, 2004
Published in print: Sep 2004
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