Dynamic Testing of Prestressed Concrete Bridges and Numerical Verification
- 1 November 1998
- journal article
- Published by American Society of Civil Engineers (ASCE) in Journal of Bridge Engineering
- Vol. 3 (4), 159-169
- https://doi.org/10.1061/(asce)1084-0702(1998)3:4(159)
Abstract
This paper describes different dynamic tests carried out on three bridges, B14, B15, and B13, over highway E19, which connects Brussels and Antwerpen in Belgium. Different excitation types are considered: a drop weight, a heavy truck on the bridge, and ambient vibrations mainly due to the traffic under the bridge. Finite-element models are constructed to support and verify the dynamic measurements. The modal parameters are extracted from the response time series using the data dependent system approach. A vector autoregressive model is developed and successfully applied to the measured responses in time domain. Good correlation between the finite-element simulations and the experiments is obtained.Keywords
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