STRUCTURAL HEALTH MONITORING SYSTEM FOR SEISMIC ISOLATED STRUCTURES USING SUBSPACE IDENTIFICATION AND SUBSTRUCTURE APPROACH

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概要

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• We propose a damage identification algorithm for story stiffness and damping factor that can be direct damage indices. The modal properties obtained by subspace identification (4SID) are utilized to derive the damage indices. The proposed algorithm is basically applicable to shear structures. In this study, a seismic isolated structure was chosen as the monitoring target. Of a seismic isolated structure, the isolation layer and superstructure are treated as separate substructures as they are distinctly different in their dynamic properties. Based on this substructure approach, damage evaluation is separately conducted for each substructure. Effectiveness of the proposed method is verified through the simulation and the experiment.

• 一般社団法人日本機械学会の論文

著者

• Mita A

  Associate Professor Keio University

• Yoshimoto Reiki

  Graduate Student, Keio University

• Mita Akira

  Associate Professor, Keio University

• Yoshimoto Reiki

  Graduate Student Keio University

関連論文

• STRUCTURAL HEALTH MONITORING SYSTEM FOR SEISMIC ISOLATED STRUCTURES USING SUBSPACE IDENTIFICATION AND SUBSTRUCTURE APPROACH

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