The efficiency of reductional responses of tuned mass damper in multi storey building structures

Abstract

ABSTRACT

The objective of this paper is to study the reduction of dynamic responses of the oscillating energy dissipation device based on the Tuned Mass Damper (TMD) attached to the multistorey building structure under the harmonic loads with different frequencies. The structural model is a 35-storey frame subjected to harmonic horizontal loads which is discretized by SAP2000 structural dynamics analysis software. The mechanical behavior model of the TMD system including mass, damper and elastic spring with variable parameters and frame structure are studied. The numerical results show that the effect of the TMD to the dynamic response of the system depends on the parameters: natural frequency of the structure, mass of the TMD system and especially the frequency of the external loadings.

Keywords: The reductional response; tuned Mass Damper - TMD; multi storey building structures; harmonic loadings.