Estimation of dynamic characteristics of a medium height office building with passive dampers considering vertical seismic response

Misaki Ishikawa, Akira Mita

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, dynamic characteristics of a medium-height office building with passive dampers is investigated. The building considered here is equipped with two kinds of passive dampers, viscous vibration control walls and low yield point steel-based buckling resistant braces. Eleven accelerometers are installed on basement, 1st, 5th, 10th and 14th floor. Two displacement meters for measuring the response of dampers are installed. To know the real performance of the building, we consider not only horizontal components but also vertical components. Dynamic characteristics of the building under several earthquakes are analyzed using multi-input and multi-output models for system identification. Using acceleration responses of multiple observation points, dynamic characteristics are estimated more precisely. The estimation errors of modal parameters are obtained simultaneously. Applying the method, it is indicated that vertical input has a significant influence on translational components.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume7981
DOIs
Publication statusPublished - 2011
EventSensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011 - San Diego, CA, United States
Duration: 2011 Mar 72011 Mar 10

Other

OtherSensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011
CountryUnited States
CitySan Diego, CA
Period11/3/711/3/10

Fingerprint

Seismic Response
Office buildings
Damper
dampers
Seismic response
Dynamic Characteristics
dynamic characteristics
Vertical
Braces
Vibration Control
Steel
Accelerometer
Vibration control
Estimation Error
System Identification
Buckling
Earthquake
Accelerometers
Error analysis
system identification

Keywords

  • modal analysis
  • multi-input and multi-output model
  • passive dampers
  • Vertical seismic response

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Ishikawa, M., & Mita, A. (2011). Estimation of dynamic characteristics of a medium height office building with passive dampers considering vertical seismic response. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 7981). [79814D] https://doi.org/10.1117/12.880198

Estimation of dynamic characteristics of a medium height office building with passive dampers considering vertical seismic response. / Ishikawa, Misaki; Mita, Akira.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7981 2011. 79814D.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ishikawa, M & Mita, A 2011, Estimation of dynamic characteristics of a medium height office building with passive dampers considering vertical seismic response. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 7981, 79814D, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011, San Diego, CA, United States, 11/3/7. https://doi.org/10.1117/12.880198
Ishikawa, Misaki ; Mita, Akira. / Estimation of dynamic characteristics of a medium height office building with passive dampers considering vertical seismic response. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7981 2011.
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