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Volgograd-Bridge: Efficiency of passive and adaptive Tuned Mass Dampers

 Volgograd-Bridge: Efficiency of passive and adaptive Tuned Mass Dampers
Author(s): ,
Presented at IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, Geneva, Switzerland, September 2015, published in , pp. 1428-1435
DOI: 10.2749/222137815818358826
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In Volgograd the inauguration of the new road bridge across the river Volga took place in October 2009. In May 2010 the bridge was temporarily closed for traffic because of excessive wind-induced v...
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Bibliographic Details

Author(s): (MAURER AG, Frankfurter Ring 193, 80807 Munich, Germany)
(MAURER AG, Frankfurter Ring 193, 80807 Munich, Germany)
Medium: conference paper
Language(s): English
Conference: IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, Geneva, Switzerland, September 2015
Published in:
Page(s): 1428-1435 Total no. of pages: 8
Page(s): 1428-1435
Total no. of pages: 8
Year: 2015
DOI: 10.2749/222137815818358826
Abstract:

In Volgograd the inauguration of the new road bridge across the river Volga took place in October 2009. In May 2010 the bridge was temporarily closed for traffic because of excessive wind-induced vertical vibrations of appr. ± 400 mm amplitude. The owner decided to retrofit the bridge with an adaptive tuned mass damper system.

The paper shows a more precise approach to determine effective structural damping based on harmonic analyses using a FE model of the bridge. It is used to determine effective structural damping for the structure without and with passive and adaptive TMDs. While it is shown that passive TMDs are not able to fulfil serviceability requirements, the adaptive TMD system is proven to provide sufficiently damping to prevent excessive vibrations.

Keywords:
efficiency tuned mass dampers vortex shedding Volgograd Bridge adaptive TMD

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