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        <datestamp>2025-08-13T04:40:08Z</datestamp>
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          <dc:title xml:lang="ja">防波堤の堤頭部におけるマウンド上被覆ブロックの津波作用下での安定性評価</dc:title>
          <jpcoar:creator>
            <jpcoar:nameIdentifier nameIdentifierURI="https://kaken.nii.ac.jp/ja/search/?qm=70588243" nameIdentifierScheme="e-Rad_Researcher">70588243</jpcoar:nameIdentifier>
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            <jpcoar:creatorName xml:lang="en">Furuichi, Naoki</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja">古市, 尚基</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">フルイチ, ナオキ</jpcoar:creatorName>
            <jpcoar:familyName xml:lang="en">Furuichi</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja">古市</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja-Kana">フルイチ</jpcoar:familyName>
            <jpcoar:givenName xml:lang="en">Naoki</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja">尚基</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja-Kana">ナオキ</jpcoar:givenName>
            <jpcoar:affiliation>
              <jpcoar:affiliationName xml:lang="en">Japan Fisheries Research and Education Agency</jpcoar:affiliationName>
              <jpcoar:affiliationName xml:lang="ja">水産研究・教育機構</jpcoar:affiliationName>
              <jpcoar:affiliationName xml:lang="ja-Kana">スイサンケンキュウキョウイクキコウ</jpcoar:affiliationName>
            </jpcoar:affiliation>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Kobayashi, Manabu</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja">小林, 学</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">コバヤシ, マナブ</jpcoar:creatorName>
            <jpcoar:affiliation>
              <jpcoar:affiliationName xml:lang="ja">国際気象海洋株式会社</jpcoar:affiliationName>
            </jpcoar:affiliation>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Endo, Jiro</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja">遠藤, 次郎</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">エンドウ, ジロウ</jpcoar:creatorName>
            <jpcoar:affiliation>
              <jpcoar:affiliationName xml:lang="ja">株式会社アルファ水工コンサルタンツ</jpcoar:affiliationName>
            </jpcoar:affiliation>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:nameIdentifier nameIdentifierURI="https://kaken.nii.ac.jp/ja/search/?qm=40882600" nameIdentifierScheme="e-Rad_Researcher">40882600</jpcoar:nameIdentifier>
            <jpcoar:creatorName xml:lang="en">Oi, Kuniaki</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja">大井, 邦昭</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">オオイ, クニアキ</jpcoar:creatorName>
            <jpcoar:familyName xml:lang="en">Oi</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja">大井</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja-Kana">オオイ</jpcoar:familyName>
            <jpcoar:givenName xml:lang="en">Kuniaki</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja">邦昭</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja-Kana">クニアキ</jpcoar:givenName>
            <jpcoar:affiliation>
              <jpcoar:affiliationName xml:lang="en">Japan Fisheries Research and Education Agency</jpcoar:affiliationName>
              <jpcoar:affiliationName xml:lang="ja">水産研究・教育機構</jpcoar:affiliationName>
              <jpcoar:affiliationName xml:lang="ja-Kana">スイサンケンキュウキョウイクキコウ</jpcoar:affiliationName>
            </jpcoar:affiliation>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:nameIdentifier nameIdentifierURI="https://kaken.nii.ac.jp/ja/search/?qm=60372067" nameIdentifierScheme="e-Rad_Researcher">60372067</jpcoar:nameIdentifier>
            <jpcoar:creatorName xml:lang="en">Omura, Yoshihiro</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja">大村, 智宏</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">オオムラ, ヨシヒロ</jpcoar:creatorName>
            <jpcoar:familyName xml:lang="en">Omura</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja">大村</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja-Kana">オオムラ</jpcoar:familyName>
            <jpcoar:givenName xml:lang="en">Yoshihiro</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja">智宏</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja-Kana">ヨシヒロ</jpcoar:givenName>
            <jpcoar:affiliation>
              <jpcoar:affiliationName xml:lang="en">Japan Fisheries Research and Education Agency</jpcoar:affiliationName>
              <jpcoar:affiliationName xml:lang="ja">水産研究・教育機構</jpcoar:affiliationName>
              <jpcoar:affiliationName xml:lang="ja-Kana">スイサンケンキュウキョウイクキコウ</jpcoar:affiliationName>
            </jpcoar:affiliation>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Iwase, Hiroyuki</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja">岩瀬, 浩之</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">イワセ, ヒロユキ</jpcoar:creatorName>
            <jpcoar:affiliation>
              <jpcoar:affiliationName xml:lang="ja">漁港漁場漁村総合研究所</jpcoar:affiliationName>
            </jpcoar:affiliation>
          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Maruyama, Sohei</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja">丸山, 草平</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">マルヤマ, ソウヘイ</jpcoar:creatorName>
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              <jpcoar:affiliationName xml:lang="ja">漁港漁場漁村総合研究所</jpcoar:affiliationName>
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          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">Kado, Azumi</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja">門, 安曇</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">カド, アズミ</jpcoar:creatorName>
            <jpcoar:affiliation>
              <jpcoar:affiliationName xml:lang="ja">国際気象海洋株式会社</jpcoar:affiliationName>
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          </jpcoar:creator>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="en">honda, koichi</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja">本田, 耕一</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">ホンダ, コウイチ</jpcoar:creatorName>
            <jpcoar:familyName xml:lang="en">honda</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja">本田</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja-Kana">ホンダ</jpcoar:familyName>
            <jpcoar:givenName xml:lang="en">koichi</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja">耕一</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja-Kana">コウイチ</jpcoar:givenName>
            <jpcoar:affiliation>
              <jpcoar:affiliationName xml:lang="en">Japan Fisheries Research and Education Agency</jpcoar:affiliationName>
              <jpcoar:affiliationName xml:lang="ja">水産研究・教育機構</jpcoar:affiliationName>
              <jpcoar:affiliationName xml:lang="ja-Kana">スイサンケンキュウキョウイクキコウ</jpcoar:affiliationName>
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          <datacite:description xml:lang="ja" descriptionType="Abstract">津波の流れに対する防波堤マウンド上被覆ブロックの所要質量算定にはイスバッシュ式が用いられているが，同式の適用性に係る既往研究は鉛直2次元的な流れ作用下での検討結果に基づいている場合が多い．本研究は幅広の水槽を用いた定常流条件下での水理模型実験と，関連した数値計算を実施し，堤頭部周辺での被覆ブロック安定性の特性と鉛直2次元条件下での知見を比較・検討した．マウンドの法肩でのブロック離脱過程や作用流体力分布の特徴が堤頭部周辺においても既往検討による結果と合致する一方で，同等の定常流作用下でのマウンド上被覆ブロックの安定性が，堤頭部においては鉛直2次元条件より低下することが確認された．本研究は鉛直2次元条件下での知見の蓄積を設計の実務に反映する上での一つの有用知見を示すものである．</datacite:description>
          <dc:publisher xml:lang="ja">土木学会</dc:publisher>
          <datacite:date dateType="Issued">2023</datacite:date>
          <dc:language>jpn</dc:language>
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            <jpcoar:relatedIdentifier identifierType="DOI">10.2208/jscejj.23-17129</jpcoar:relatedIdentifier>
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            <jpcoar:relatedIdentifier identifierType="Local">23341068</jpcoar:relatedIdentifier>
            <jpcoar:relatedTitle xml:lang="ja">水産技術研究所 環境・応用部門 水産工学部</jpcoar:relatedTitle>
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            <jpcoar:relatedTitle xml:lang="ja">J-STAGE</jpcoar:relatedTitle>
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          <jpcoar:sourceIdentifier identifierType="EISSN">2436-6021</jpcoar:sourceIdentifier>
          <jpcoar:sourceTitle xml:lang="ja">土木学会論文集</jpcoar:sourceTitle>
          <jpcoar:volume>79</jpcoar:volume>
          <jpcoar:issue>17</jpcoar:issue>
          <jpcoar:pageStart>23-17129</jpcoar:pageStart>
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            <jpcoar:URI>https://fra.repo.nii.ac.jp/record/2010237/files/古市ほか　防波堤の堤頭部におけるマウンド上被覆ブロック.pdf</jpcoar:URI>
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            <datacite:date dateType="Available">2025-08-08</datacite:date>
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