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- 川瀬 博
- 清水建設大崎研究所
書誌事項
- タイトル別名
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- STRONG MOTION CHARACTERISTICS OBSERVED AT JMA STATIONS IN HOKKAIDO : With special reference to the record observed at Kushiro during Kushiro-Oki earthquake of 1993
- ホッカイドウナイ ノ カクチ キショウダイ ニ オケル キョウシンドウ トクセ
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Strong motion records of 13 earthquakes, including the Kushiro-Oki earthquake of 1993, observed at 10 JMA stations in Hokkaido were analysed. If local site amplification for each station may not be so large except for the Kushiro station, the averaged spectra corrected for attenuation will be flat for wide frequency range. First path effects are corrected by appropriate Q values to have averaged hypocentral spectra. Then a local site factor at each site is calculated as a ratio between the observed spectra and the averaged one. It is found that the Kushiro station has strong local amplification whose predominant frequency and amplification factor are 3.6Hz and 10, respectively. During the Kushiro-Oki earthquake predominant frequency decreases to 2.8Hz, which may suggest the non-linear effect of soil-structure system of the JMA Kushiro station.
収録刊行物
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- 日本建築学会構造系論文集
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日本建築学会構造系論文集 59 (459), 57-64, 1994
日本建築学会
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詳細情報 詳細情報について
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- CRID
- 1390001205604499584
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- NII論文ID
- 110004361904
- 10003846073
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- NII書誌ID
- AN10438559
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- ISSN
- 18818153
- 13404202
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- NDL書誌ID
- 3875463
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可