Vibration Control of Building Using Multiple Tuned Mass Dampers Considering Real Earthquake Time History

The performance of multiple tuned mass dampers to
mitigate the seismic vibration of structures considering real time
history data is investigated in this paper. Three different real
earthquake time history data like Kobe, Imperial Valley and
Mammoth Lake are taken in the present study. The multiple tuned
mass dampers (MTMD) are distributed at each storey. For
comparative study, single tuned mass damper (STMD) is installed at
top of the similar structure. This study is conducted for a fixed mass
ratio (5%) and fixed damping ratio (5%) of structures. Numerical
study is performed to evaluate the effectiveness of MTMDs and
overall system performance. The displacement, acceleration, base
shear and storey drift are obtained for both combined system
(structure with MTMD and structure with STMD) for all earthquakes.
The same responses are also obtained for structure without damper
system. From obtained results, it is investigated that the MTMD
configuration is more effective for controlling the seismic response of
the primary system with compare to STMD configuration.

Authors:

• Rama Debbarma
• Debanjan Das

Keywords:

• Earthquake
• multiple tuned mass dampers
• single tuned mass damper
• time history.

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