Human-Induced Vibrations on Two Lively Footbridges in Milan
Publication: Journal of Bridge Engineering
Volume 21, Issue 8
Abstract
This article describes the results of extensive full-scale experiments carried out on two lively footbridges recently built in Milan, Italy. The objective of the study was to assess the dynamic characteristics of the bridges and the expected vibration level induced by pedestrians. A preliminary vibration analysis of the bridges revealed their potential sensitivity to human-induced vibrations in the vertical direction. Two sets of experiments were carried out, one before and one after the installation of tuned mass dampers. Furthermore, bridge vibrations during a marathon event were recorded and analyzed. Experimental and analytical results were compared for several loading scenarios.
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Acknowledgments
The authors are grateful to Iper Montebello S.p.A., and especially to PE Caldognetto, for permission to use the experimental results obtained during the various campaigns and the kind assistance during the measurements. The authors also express their great gratitude to Prof. Solari (DICCA, University of Genoa) and PE Spinelli and PE Vintani (BCV Progetti s.r.l.) for their support and helpful discussions. This work was partially supported by the Italian Ministry of Education, University and Research (MIUR) through the PRIN cofinanced program Dynamics, Stability and Control of Flexible Structures (Grant 2010MBJK5B) and the University of Genoa (Progetto di Ateneo 2014 “Modelli semplificati per l?analisi dinamica delle strutture”).
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Published In
Journal of Bridge Engineering
Volume 21 • Issue 8 • August 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Dec 2, 2014
Accepted: Jun 1, 2015
Published online: Jan 20, 2016
Discussion open until: Jun 20, 2016
Published in print: Aug 1, 2016
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