Abstract
A tuned mass damper (TMD) using a rotating inertial mass has been developed to reduce vertical vibration of beams and slabs subjected to walking excitations. The newly developed TMD is composed of a spring and a ball screw mechanism with a flywheel. The optimum design parameters of some TMD systems were examined, and their response properties were compared. The optimum design parameters minimize the resonant acceleration response of a main mass. In those systems, the mass of the member to connect with a damper was considered. And the effectiveness of the new TMD system was shown. Finally the new TMD system added a spring for adjustment of the tuning to were proposed, the optimum design parameters were shown.
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