Analysis of Traffic-Induced Vibrations in a Cable-Stayed Bridge. Part I: Experimental Assessment
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Volume 10, Issue 4
Abstract
This paper characterizes the experimental approach used for the evaluation of traffic-induced dynamic effects in Salgueiro Maia cable-stayed bridge. It presents the most significant results obtained both in terms of the static load tests developed at the commissioning phase, and of the dynamic tests under controlled heavy traffic. These tests were specifically conducted for the evaluation of dynamic amplification factors considering the passage of heavy trucks isolated or in groups, along several lanes and at different speeds. Furthermore, the experimental characterization of the random characteristics of the pavement roughness, using an appropriate spatial laser scanning measurement system, is referred.
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Acknowledgments
The present work has been funded by the Portuguese Foundation for Science and Technology (FCT), in the context of the Research Project No. PRAXIS/ECM/13251/98. The writers also wish to acknowledge all of the support and collaboration provided by the bridge designer Professor Câncio Martins, as well as by IEP/ICOR, LNEC, and Freyssinet.
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Information
Published In
Journal of Bridge Engineering
Volume 10 • Issue 4 • July 2005
Pages: 370 - 385
Copyright
© 2005 ASCE.
History
Received: Apr 16, 2003
Accepted: Jan 13, 2004
Published online: Jul 1, 2005
Published in print: Jul 2005
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