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地震動指標の地盤増幅度と微動H/Vスペクトルによる増幅スペクトル推定: 石川県内の地震観測点を対象として
http://hdl.handle.net/2297/36297
http://hdl.handle.net/2297/36297ca6a3a77-6a66-4d61-ae6e-972e3671ea24
名前 / ファイル | ライセンス | アクション |
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TE-PR-MIYAJIMA-M-454.pdf (1.2 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 | 地震動指標の地盤増幅度と微動H/Vスペクトルによる増幅スペクトル推定: 石川県内の地震観測点を対象として | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Evaluation of site spectrum using amplification factors for earthquake ground motion indi ces and H/V spectrum of microtremor | |||||
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× 森本, 吉輝× 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 67, 号 3, p. 454-563, 発行日 2011-01-01 |
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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.67.454 | |||||
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に,最大地動加速度と計測震度の地盤増幅度と微動H/Vスペクトルによって増幅スペクトルを推定する手法を提案した.まず,中部地方の地震観測点の記録を用いて,回帰分析により,最大地動加速度と計測震度の地盤増幅度,応答スペクトルの増幅スペクトルを求めた.続いて,地盤増幅度と増幅スペクトルの相関関係を調べたところ,周期1秒付近までは両者に良好な相関が見られた.周期1秒より長周期の増幅スペクトルの推定精度を向上させるために,微動H/Vスペクトルを周期をパラメータとする関数で近似させて,増幅スペクトルの推定に用いた.地盤増幅度と微動H/Vスペクトルの近似関数をパラメータとする式によって増幅スペクトルを推定したところ,周期1秒以上での推定精度が向上した. In this study, we proposed a method to evaluate a site spectrum using amplification factors for peak ground acceleration and JMA seismic intensity, H/V spectrum of microtremor at local government observation sites where seismic waveform records were not stored. Firstly, the amplification factors and site spectra of acceleration response spectra at JMA, K-NET, KiK-net observation sites in the Chubu region were evaluated by a regression analysis. The amplification factors and site spectra have a good correlation at less than one second of period. In order to improve the evaluation to site spectra at more than one second of period, we used a function approximated by the H/V spectra as a parameter of the site spectra. The site spectra by a regression analysis using amplification factors and the approximated function were evaluated. The precision of evaluation at more than one second of period was improved. | |||||
権利 | ||||||
権利情報 | Copyright © Japan Society of Civil Engineers 土木学会 | |||||
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/ |