Vibration control of footbridges under pedestrian loading using tuned mass damper systems with eddy current damper technology
|
|
|||||||||||
Bibliographic Details
| Author(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) |
||||
|---|---|---|---|---|---|
| Medium: | conference paper | ||||
| Language(s): | English | ||||
| Conference: | IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017 | ||||
| Published in: | IABSE Symposium Vancouver 2017 | ||||
|
|||||
| Page(s): | 2248-2255 | ||||
| Total no. of pages: | 8 | ||||
| Year: | 2017 | ||||
| DOI: | 10.2749/vancouver.2017.2248 | ||||
| Abstract: |
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. |
||||
| Keywords: |
footbridge vibration control tuned mass damper eddy current damper
|
||||