Performance of seismic protection technologies during the 2011 Tohoku-oki earthquake

Kazuhiko Kasai, Akira Mita, Haruyuki Kitamura, Kazuhiro Matsuda, Troy A. Morgan, Andrew W. Taylor

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Many buildings in the Tohoku and Kanto area were strongly shaken during the Tohoku-oki earthquake on 11 March 2011. Soon after the earthquake, the Japan Society of Seismic Isolation (JSSI) established committees to investigate the performance of structures where modern seismic protection methods were used. Since response-control technologies are relatively new, few systems had been validated with actual earthquakes. Generally, the various buildings performed well, and there were no failures of superstructures of base-isolated or supplementally damped buildings. Failures of numerous expansion joints and lead dampers in base-isolated buildings are described. Acceleration records of both base-isolated and supplementally damped buildings are analyzed and their seismic performance characteristics are discussed.

Original languageEnglish
JournalEarthquake Spectra
Volume29
Issue numberSUPPL.1
DOIs
Publication statusPublished - 2013 Mar

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Tohoku earthquake 2011
Earthquakes
earthquakes
earthquake
seismic isolation
Expansion joints
dampers
isolation
Japan
expansion

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Geophysics

Cite this

Performance of seismic protection technologies during the 2011 Tohoku-oki earthquake. / Kasai, Kazuhiko; Mita, Akira; Kitamura, Haruyuki; Matsuda, Kazuhiro; Morgan, Troy A.; Taylor, Andrew W.

In: Earthquake Spectra, Vol. 29, No. SUPPL.1, 03.2013.

Research output: Contribution to journalArticle

Kasai, Kazuhiko ; Mita, Akira ; Kitamura, Haruyuki ; Matsuda, Kazuhiro ; Morgan, Troy A. ; Taylor, Andrew W. / Performance of seismic protection technologies during the 2011 Tohoku-oki earthquake. In: Earthquake Spectra. 2013 ; Vol. 29, No. SUPPL.1.
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