Vibration control of footbridges under pedestrian loading using tuned mass damper systems with eddy current damper technology
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Détails bibliographiques
| Auteur(s): |
David Saige
(VICODA GmbH, Zeven, Germany)
Jürgen Engelhardt (Wölfel Engineering GmbH & Co. KG, Zeven, Germany) Sebastian Katz (Wölfel Engineering GmbH & Co. KG, Zeven, Germany) |
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| Médium: | papier de conférence | ||||
| Langue(s): | anglais | ||||
| Conférence: | IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017 | ||||
| Publié dans: | IABSE Symposium Vancouver 2017 | ||||
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| Page(s): | 2248-2255 | ||||
| Nombre total de pages (du PDF): | 8 | ||||
| Année: | 2017 | ||||
| DOI: | 10.2749/vancouver.2017.2248 | ||||
| Abstrait: |
Footbridges are prone to vibrations induced by pedestrians depending on the bridge`s natural frequencies. Well-known measures to increase the structural damping of a footbridge and hence control the risk of vibrations are Tuned Mass Dampers (TMD). One of the main parameters defining the overall effectiveness of a TMD is its damping mechanism; for this purpose eddy current dampers are an innovative solution, which can improve TMD performance significantly. This paper describes the design of an eddy current damper as part of a passive tuned mass damper. First, the theoretical potential is analysed analytically. A detailed discussion on the optimization of TMD parameters combined with the characteristics of eddy current dampers shows its advantages. In the second part a TMD construction using an eddy current damper is designed based on a case study of a footbridge. |
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| Mots-clé: |
passerelle
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