理論応用力学講演会 講演論文集
第64回理論応用力学講演会
セッションID: OS1-02-06
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OS1-2 構造物の減衰(2)
SRC造建物の動特性の経時変化に基づく動的モデルの同定
飯山 かほり肥田 剛典鹿嶋 俊英中村 尚弘佐武 直紀
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Secular change in equivalent stiffness and strength of a SRC-type building was examined by analyzing seismic records of a long-term seismic observation. Identifying the predominant frequencies and the corresponding deformations from the observed records, the detailed relationship between equivalent shear-force and deformation of the objective building can be obtained, which relationship includes useful information about the structural state of the building. Further, it is demonstrated the single degree-of-freedom model follows the regulation of the relationship can explain the dynamic performance of the building.

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