Study on seismic upgrade of 5 storey reinforced concrete building by Tuned Mass Damper

In civil engineering, Tuned Mass Dampers (TMD) are generally used to reduce the vibrations induced by strong winds in tall buildings. The TMD efficiency in the case of seismic actions is still in question. TMD effect on the seismic behaviour of a 5 storey reinforced concrete framed structure is presented in the paper. The structure analysis according to the present Romanian seismic code, P100-2006, shows that the structure presents a high level of vulnerability and strengthening measures are necessary. In order to do not interrupt the functioning of the building, and for other well-known advantages, TMD is chosen as a possible strengthening solution, but the studies show the TMD inefficiency in improving the seismic response of the building.