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関西地方の地震観測記録による自治体観測点を想定したサイト特性推定手法の検討
http://hdl.handle.net/2297/36230
http://hdl.handle.net/2297/362303eb33d09-11d8-4314-b894-882ad9bdfcf3
名前 / ファイル | ライセンス | アクション |
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TE-PR-MIYAJIMA-M-118.pdf (1.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | 関西地方の地震観測記録による自治体観測点を想定したサイト特性推定手法の検討 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | A study on estimation method of a site effect of local government observation sites based on earthquake ground motion records in Kansai region | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
西川, 隼人
× 西川, 隼人× 池本, 敏和× 宮島, 昌克 |
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書誌情報 |
土木学会論文集A1(構造・地震工学)= JSCE Journal of Earthquake Engineering 巻 65, 号 1, p. 118-127, 発行日 2009-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2185-4653 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2208/jscejseee.65.118 | |||||
出版者 | ||||||
出版者 | 土木学会 = Japan Society of Civil Engineers | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 本論文では地震波形が得られていない自治体観測点を対象として,最大加速度とスペクトルの卓越振動数からサイト特性を推定する手法を提案する.まず,関西地方のK-NET,KiK-net観測点の地震記録を用いてスペクトルインバージョンによって,経験的なサイト特性を求めた.続いて,最大加速度の地盤増幅度とサイト特性,基盤スペクトルの関係式を導き,実観測記録においても関係式が概ね成り立っていることを明らかにした.サイト特性を推定するにあたり,地震動スペクトルの卓越振動数と1次ピーク振動数をパラメータとするサイト特性モデル式を考案し,各観測記録に対してサイト特性を推定した.推定したサイト特性とインバージョンによるものを比較したところ,ほとんどの観測点でサイト特性の形状や増幅度がよく対応していた. We propose a method to evaluate a site effect using peak ground acceleration (PGA) and predominant frequency of spectrum obtained at local government observation sites where seismic waveform records were not stored. Firstly, the site effects at K-NET, KiK-net observation sites in Kansai region were evaluated by the spectral inversion method. A relationship among amplification factor of PGA and the site effect, bedrock spectrum was derived. As a result, it was clarified that the relationship is valid for the observed records used in this study. In evaluation of the site effect, site effect model in terms of the predominant and first peak frequencies of the spectrum was proposed and the site effect at each observation record was evaluated using the proposed model. In comparison of the evaluated site effects with inverted one, the shape and amplification of the site effects at most observation sites were in good agreement with those of the inverted site effects. | |||||
権利 | ||||||
権利情報 | Copyright © Japan Society of Civil Engineers 土木学会 | 許可を得て登録 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/jscejseee/-char/ja/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jsce.or.jp/ |