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        <identifier>oai:kanazawa-u.repo.nii.ac.jp:00008300</identifier>
        <datestamp>2024-06-20T06:12:16Z</datestamp>
        <setSpec>934:935:936</setSpec>
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          <dc:title>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</dc:title>
          <dc:title>Evaluation of site spectrum using amplification factors for earthquake ground motion indi ces and H/V spectrum of microtremor</dc:title>
          <dc:creator>西川, 隼人</dc:creator>
          <dc:creator>11563</dc:creator>
          <dc:creator>森本, 吉輝</dc:creator>
          <dc:creator>11564</dc:creator>
          <dc:creator>宮島, 昌克</dc:creator>
          <dc:creator>28</dc:creator>
          <dc:creator>70143881</dc:creator>
          <dc:creator>70143881</dc:creator>
          <dc:creator>70143881</dc:creator>
          <dc:description>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.</dc:description>
          <dc:description>journal article</dc:description>
          <dc:publisher>土木学会 = Japan Society of Civil Engineers</dc:publisher>
          <dc:date>2011-01-01</dc:date>
          <dc:type>VoR</dc:type>
          <dc:format>application/pdf</dc:format>
          <dc:identifier>土木学会論文集A1（構造・地震工学）= JSCE Journal of Earthquake Engineering</dc:identifier>
          <dc:identifier>3</dc:identifier>
          <dc:identifier>67</dc:identifier>
          <dc:identifier>454</dc:identifier>
          <dc:identifier>563</dc:identifier>
          <dc:identifier>2185-4653</dc:identifier>
          <dc:identifier>https://kanazawa-u.repo.nii.ac.jp/record/8300/files/TE-PR-MIYAJIMA-M-454.pdf</dc:identifier>
          <dc:identifier>http://hdl.handle.net/2297/36297</dc:identifier>
          <dc:identifier>https://kanazawa-u.repo.nii.ac.jp/records/8300</dc:identifier>
          <dc:language>jpn</dc:language>
          <dc:relation>10.2208/jscejseee.67.454</dc:relation>
          <dc:relation>https://www.jstage.jst.go.jp/browse/jscejseee/-char/ja/</dc:relation>
          <dc:relation>http://www.jsce.or.jp/</dc:relation>
          <dc:rights>Copyright © Japan Society of Civil Engineers 土木学会</dc:rights>
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