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Method of Estimating the Parameters of Tuned Mass Dampers for SeismicApplications

机译:地震应用中调谐质量阻尼器参数的估算方法

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The optimum parameters of tuned mass dampers (TMD) that result in considerablereduction in the response of structures to seismic loading are presented. The criterion used to obtain the optimum parameters is to select, for given mass ratio, the frequency (tuning) and damping ratios that would result in equal and larger modal damping in the first two modes of vibration. The parameters are used to compute the response of several single and multi-degree-of-freedom structures with TMDs to different earthquake excitations. The results indicate that the use of the proposed parameters reduces the displacement and acceleration responses significantly. It is shown that as a result of selecting the parameters as proposed in this paper, significant reduction in the response of tall buildings can be achieved.

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