大重量の動吸振器を有する制震架構の地震入力に対する応答評価法

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タイトル別名
  • COMPREHENSIVE RESPONSE EVALUATION METHOD FOR SEISMIC CONTROL STRUCTURE WITH LARGE DYNAMIC MASS DAMPER
  • Formulation considering tuning fluctuation of mass damper with/without inerter
  • －同調ずれや慣性質量装置を用いた同調改善の影響を包絡した手法の構築－

抄録

<p>This paper presents a response evaluation method for a seismic control structure includes a large weight sub-system as dynamic mass damper. Not only a conventional 2-element sub-system but also a 3-element sub-system with an inertial mass are taken into consideration. The fundamental idea is to consider the main-system’s displacement as that of equivalent SDOF system, and the sub-system’s stroke as a modified independent sub-system’s displacement amplified by the interaction with the main-system. First, optimum absorber parameters of variable conditions are derived. After formulating the needed equations for evaluation, the accuracy of the method are discussed by numerical analyses.</p>

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