Analysis Model Verification of a Suspension Bridge Exploiting Configuration Survey and Field-Measured Data
Publication: Journal of Bridge Engineering
Volume 17, Issue 5
Abstract
The conformity between predicted and actual configurations of a suspension bridge is examined through a field survey with the compensation of temperature effects. The tension in the main cable is estimated from the surveyed configuration utilizing force equilibriums at the cable junction nodes. The measured hanger tensions and rigorous dead load information are also incorporated. The as-built configuration of the bridge shows fairly good agreement with the designed shape. The reproducibility of the dynamic properties is also examined for dominant vertical modes. The only tuning in the connection conditions of bearings produces natural frequencies that are in good agreement with the measured values.
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Acknowledgments
This research was supported by a grant (05RCB05-01) from the Ministry of Land, Transport and Maritime of the Korean Government through the Korean Wind Engineering Research Center. The Facilities Management Authority at Busan Metropolitan City (BFMA), the owner of Gwangan Bridge, was in charge of the planning and performing of the field survey. The writers are very grateful for their cooperation, great concern, and active support.
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Information & Authors
Information
Published In
Journal of Bridge Engineering
Volume 17 • Issue 5 • September 2012
Pages: 794 - 803
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Mar 26, 2011
Accepted: Sep 16, 2011
Published online: Sep 19, 2011
Published in print: Sep 1, 2012
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