粘弾性要素支持された粘性マスダンパーを有する免震構造物の地震時応答変位制御

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タイトル別名
  • RESPONSE CONTROL OF BASE-ISOLATED STRUCTURE INCORPORATED WITH A VISCOELASTICALLY SUPPORTED VISCOUS MASS DAMPER
  • ネンダンセイ ヨウソ シジ サレタ ネンセイ マスダンパー オ ユウスル メンシンコウゾウブツ ノ ジシンジ オウトウ ヘンイ セイギョ

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抄録

 Research on application of a rotary inertial damper in a seismic isolated structure has been conducted by many researchers in pursuit of threefold objectives; response control in multiple levels of input ground motions, reduction of floor response accelerations, and establishment of optimum damper design method. The authors propose a new type rotary inertial damper referred to as a viscoelastically supported viscous mass damper (VeVMD). Unlike a conventional force restricted viscous mass damper (FRVMD), an apparent mass and viscous element arranged in parallel are supported by viscoelastic material to obtain better performance. Aset of pareto-optimum designs of VeVMD system is sought by a multi-objective genetic algorithm.

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