Determining the Optimum Position of Tuned Mass Damper with the Aim of Improving the Seismic Behavior of the Structures

Subject Areas : Analysis of Structure and Earthquake

Ahmad maleki ¹ , mehdi Asadpour ² , rasoul kodayadi ³

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Received: 2013-02-04 Accepted : 2014-01-03 Published : 2014-05-22

Keywords: Passive control, OpenSees, Keywords: Tuned mass dampers, Optimizing mass damper position,

Abstract :

ABSTRACT        The present paper attempts at investigating the position of tuned mass dampers in controlling the seismic behavior of the structures. Three buildings of 3, 7 and 15 stories  with various natural periods, were designed according to the allowed stress design method employing the ETABS. Designed sections and tuned mass dampers were modeled in opensees finite element analysis software, and finally subjected to several accelerograms. After conducting a number of dynamic analyses with various combinations of tuned mass dampers on the roof plan, the results were compared to other combinations of tuned mass damper location aiming to reduce the seismic response of the buildings. Optimum positions were selected according to the drift reduction criterion of the stories.