Response of Base Isolated Buildings in Japan to Recent Earthquakes

by Mitsuo Miyazaki, Sumitomo Construction Co Ltd, Tokyo, Japan,
Sinji Sera, Sumitomo Construction Co Ltd, Tokyo, Japan,
Yuji Mitsusaka, Sumitomo Construction Co Ltd, Tokyo, Japan,
Kaori Kizu, Sumitomo Construction Co Ltd, Tokyo, Japan,



Document Type: Proceeding Paper

Part of: Structural Engineering in Natural Hazards Mitigation

Abstract: On February 2nd in 1992, more than 20 base isolated buildings in Tokyo experienced an earthquake of JMA seismic intensity 5. In this event, many acceleration records of isolated buildings were obtained, which have much smaller values than those of ground surface and conventional buildings. The records obtained at two isolated buildings show that the buildings behaved as expected by their designs.

Subject Headings: Base isolation | Earthquake resistant structures | Building codes | Earthquakes | Load and resistance factor design | Seismic tests | Japan | Asia | Tokyo

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