Research Article
Aug 1979
Active Control and Stability of Cable-Stayed Bridge
Authors: Jann-Nan Yang, M.ASCE, and Fanis GiannopoulosAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 105, Issue 4
Abstract
The dynamic stability analysis of a typical two cable-stayed bridge implemented by the active feedback control systems has been carried out. The control systems (hydraulic servomechanisms) are connected to the existing four suspension cables so that under severe wind storm these cables serve also as active tendons. The bridge is subjected to both the buffeting and the self-excited loads as well as the control forces from the tendons (cables). The analysis has been applied to the Sitka Harbor Bridge in Alaska, as well as a hypothetical bridge with a much smaller stiffness. Numerical results indicate that the flutter speed of both bridges can be raised up to any desirable level or infinity by a suitable choice of the design values for the active control parameters.
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Published In
Journal of the Engineering Mechanics Division
Volume 105 • Issue 4 • August 1979
Pages: 677 - 694
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Aug 1979
Published online: Feb 3, 2021
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Affiliations
Jann-Nan Yang, M.ASCE
Prof., Dept. of Civ., Mech. and Environmental Engrg., The George Washington Univ., Washington, D.C.
Fanis Giannopoulos
Struct. Engr., Ford Motor Co., Dearborn, Mich.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.