Analysis of Traffic-Induced Vibrations in a Cable-Stayed Bridge. Part I: Experimental Assessment |
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Authors: | R Cal?ada A Cunha R Delgado |
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Affiliation: | 1Assistant Professor, Faculty of Engineering, Univ. of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal. 2Associate Professor, Faculty of Engineering, Univ. of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal. 3Professor, Faculty of Engineering, Univ. of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal.
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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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Keywords: | Bridges cable-stayed Bridges highway Traffic analysis Vibration Numerical analysis Stochastic models |
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