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Passive damping of suspension bridges using multi-degree of freedom tuned mass dampers
HighlightsA new design of tuned mass dampers (TMD), aimed at reducing the weight penalty, is proposed.The new TMD is as effective as the classical design, while it requires smaller mass.The design is validated numerically and experimentally on a suspension bridge.The proposed design of the TMD is easy to realize, to tune and to implement in a real suspension bridge.
AbstractTuned Mass Dampers (TMDs) are a very popular, economical and robust way of mitigating the dynamic response of civil engineering structures. However, their classical implementation involves as many TMDs as there are critical modes. This paper analyzes a TMD with two degrees of freedom targeted at mitigating simultaneously a bending and a torsion mode of a bridge deck. The system parameters can be tuned independently for the bending and the torsion mode. The study is conducted numerically and experimentally on a laboratory mock-up of a suspension bridge.
Passive damping of suspension bridges using multi-degree of freedom tuned mass dampers
HighlightsA new design of tuned mass dampers (TMD), aimed at reducing the weight penalty, is proposed.The new TMD is as effective as the classical design, while it requires smaller mass.The design is validated numerically and experimentally on a suspension bridge.The proposed design of the TMD is easy to realize, to tune and to implement in a real suspension bridge.
AbstractTuned Mass Dampers (TMDs) are a very popular, economical and robust way of mitigating the dynamic response of civil engineering structures. However, their classical implementation involves as many TMDs as there are critical modes. This paper analyzes a TMD with two degrees of freedom targeted at mitigating simultaneously a bending and a torsion mode of a bridge deck. The system parameters can be tuned independently for the bending and the torsion mode. The study is conducted numerically and experimentally on a laboratory mock-up of a suspension bridge.
Passive damping of suspension bridges using multi-degree of freedom tuned mass dampers
Mokrani, B. (Autor:in) / Tian, Z. (Autor:in) / Alaluf, D. (Autor:in) / Meng, F. (Autor:in) / Preumont, A. (Autor:in)
Engineering Structures ; 153 ; 749-756
10.10.2017
8 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Passive damping of suspension bridges using multi-degree of freedom tuned mass dampers
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