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APPLICATION OF MR DAMPERS TO VARIABLE DAMPERS

descriptionPublicationkeyboard_double_arrow_right Article 21 Apr 2004Publisher:Japan Society of Civil EngineersJournal:Doboku Gakkai Ronbunshu, volume 2,004, pages 325-335 (issn: 0289-7806, eissn: 1882-7187,

Authors: Kazuhiko Kawashima; Goh Nakamura; Anat Ruangrassamee;

doi: 10.2208/jscej.2004.759_325

APPLICATION OF MR DAMPERS TO VARIABLE DAMPERS

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Abstract

ダンパーの減衰力を任意に変化させることができれば, 橋梁の地震応答を抑える上で有利であり, 構造物の応答に応じて特性を変化させることのできるバリアブルダンパーの利用が効果的であると考えられている. 本研究では, 電流で減衰力を制御可能なMRダンパーを用いたバリアブルダンパーの有効性を実験, 解析の両面から検討する. 小型MRダンパーの特性を明らかにすることを目的として繰り返し載荷実験を行った後, 模型橋の振動台加振実験を行い, 地震時のMRダンパー及び橋梁の挙動を調べた. また, バリアブルダンパーをモデル化し, 橋の地震応答を地震応答解析によってよく再現できることを示した.

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Fields of Science (3) View all

engineering and technology

civil engineering

Fields of Science

engineering and technology

civil engineering

View all