Eventos Anais de eventos
COBEM 2017
24th ABCM International Congress of Mechanical Engineering
On a Liquid Tuned Damper and Nonlinear Mass Tuned Damper Passive Application in a Building to Reduce High Vibrations
Submission Author:
Wagner Barth Lenz , PR
Co-Authors:
Angelo Marcelo Tusset, Rodrigo Tumolin Rocha, Frederic Conrad Janzen, José Manoel Balthazar, Wagner Barth Lenz
Presenter: Wagner Barth Lenz
doi://10.26678/ABCM.COBEM2017.COB17-0197
Abstract
Building and constructions sites all over the world have been subject to vibration. These vibrations are induced most commonly by wind and ground excitation, for example, trains, roads and earthquakes are the main cause of the ground vibration. The combination of them can cause fatigue in the material of a structure. To reduce the oscillation on buildings, passive and active control methods are used to prevent fail and excessive displacements. In this paper, the analysis are focused on a building with five floors with the alternative of a passive strategy, such as NTMD (nonlinear tuned mass damper) and TLD (tuned liquid damper). Both methods have nonlinear behaviours and reduce the vibration energy in the building changing the building dynamics. In addition, the energy pumping effect was analyzed to investigate the amount of energy stored and dissipated between the elements.
Keywords
Passive Vibration Control, Tuned mass damper (TMD), nonlinear dynamics
