Performance of Multi-TMD in the Towers of Suspension Bridges
- 13 February 2009
- journal article
- research article
- Published by SAGE Publications in Journal of Vibration and Control
- Vol. 15 (6), 821-847
- https://doi.org/10.1177/1077546308091455
Abstract
The convenience of Tuned Mass Dampers for the reduction of the gust response is investigated for the case of the towers of suspension bridges. For this special typology the design must pursue effectiveness, robustness and redundancy performance. Suitable solutions are multi-device provisions (MTMD), with distributed mass, frequency and damping. Increasing the robustness of MTMD against mistuning beyond the optimal configuration produces a loss of efficiency: as a result the final choice is determined only at the end of the constructive process. A brief discussion is reported on the weak performance to seismic excitation.Keywords
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