Performance assessment of a building with passive dampers using MIMO system identification

R. Kudo, Y. Nakamura, A. Mita, H. Harada

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

Tor ihe purpose ol monitoring building behavior under earthquakes, a structural health monitoring (SHM) system was installed into a medium-height office building in Tokyo. This building is equipped with passive energy dissipation devices, including viscous vibration control walls and low yield point steel-based buckling restraint braces. As a SHM system, accelerometers were installed on several floors and strain sensors were glued to a few dampers on the sixth floor. When earthquakes occurred, observations are done and acceleration and strain data of each point of the building were obtained. With the data, MIMO system identification methods were applied to estimate dynamical behavior of the building. From collected observations of the last 4 years, the natural frequencies have shown a gradual decreasing tendency. Detailed discussions on this phenomena is given in this paper.

本文言語English
ホスト出版物のタイトルStructural Health Monitoring 2007
ホスト出版物のサブタイトルQuantification, Validation, and Implementation - Proceedings of the 6th International Workshop on Structural Health Monitoring, IWSHM 2007
編集者Fu-Kuo Chang
出版社DEStech Publications
ページ1431-1438
ページ数8
ISBN(電子版)9781932078718
出版ステータスPublished - 2007
イベント6th International Workshop on Structural Health Monitoring: Quantification, Validation, and Implementation, IWSHM 2007 - Stanford, United States
継続期間: 2007 9 112007 9 13

出版物シリーズ

名前Structural Health Monitoring 2007: Quantification, Validation, and Implementation - Proceedings of the 6th International Workshop on Structural Health Monitoring, IWSHM 2007
2

Other

Other6th International Workshop on Structural Health Monitoring: Quantification, Validation, and Implementation, IWSHM 2007
CountryUnited States
CityStanford
Period07/9/1107/9/13

ASJC Scopus subject areas

  • Computer Science Applications
  • Health Information Management

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