Relative Performance of Kobe and Northridge WSMF Buildings  

Oleh:

Maison, Bruce F. ; Kasai, Kazuhiko ; Ooki, Yoji

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Earthquake Spectra: The Professional Journal of the Earthquake Engineering Research Institute vol. 22 no. 4 (Nov. 2006)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: EE41 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Seismic behaviors of a five-story welded steel moment-frame (WSMF) office building in Kobe, Japan, and a six-story WSMF office building In Northridge, California, are compared. Both experienced earthquake damage (1995 Kobe and 1994 Northridge earthquakes, respectively). Computer models of the buildings are formulated having the ability to simulate damage in terms of fractured moment connections. Analyses are conducted to assess building response during the earthquakes. The calibrated models are then analyzed using a suite of earthquake records to compare building performance under consistent demands. The Kobe building is found to be more rugged than the Northridge building. Analysis suggests it would experience much less damage than the Northridge building from shaking equivalent to 2,500-year earthquake for a generic Los Angeles site. Superior performance of the Kobe building is attributed to its relatively greater stiffness and strength. The results provide insight into the difference in seismic fragility expected for this class of mid-rise WSMF buildings in Japan and the United States.

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