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混合粒径下における波打ち帯の漂砂移動特性
http://hdl.handle.net/10258/00009724
http://hdl.handle.net/10258/00009724d5517b12-9f6f-4bdd-bc41-61fb0c947a8d
名前 / ファイル | ライセンス | アクション |
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JSCE_73_2_I541_I546 (1.0 MB)
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Item type | 学術雑誌論文 / Journal Article.(1) | |||||||||||
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公開日 | 2019-03-11 | |||||||||||
タイトル | ||||||||||||
言語 | ja | |||||||||||
タイトル | 混合粒径下における波打ち帯の漂砂移動特性 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | CHARACTERISTICS OF SEDIMENT TRANSPORT IN THE SWASH ZONE UNDER MIXED GRAIN SIZE | |||||||||||
言語 | ||||||||||||
言語 | jpn | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題Scheme | Other | |||||||||||
主題 | mixed grain size | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題Scheme | Other | |||||||||||
主題 | swash sediment transport | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題Scheme | Other | |||||||||||
主題 | saturation | |||||||||||
キーワード | ||||||||||||
言語 | en | |||||||||||
主題Scheme | Other | |||||||||||
主題 | coarse granulation of sediment | |||||||||||
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 | |||||||||||
アクセス権 | ||||||||||||
アクセス権 | open access | |||||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||
著者 |
宮武, 誠
× 宮武, 誠× 成田, 郁史× 木村, 克俊
WEKO
12189
× 越智, 聖志× 佐々, 真志× 白水, 元 |
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室蘭工業大学研究者データベースへのリンク | ||||||||||||
木村 克俊(KIMURA Katsutoshi) | ||||||||||||
http://rdsoran.muroran-it.ac.jp/html/100000045_ja.html | ||||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | 砂浜斜面の飽和度に応じた混合粒径下における波打ち帯の漂砂移動を模型実験及び数値解析の両面から検討した.模型実験では,孤立波作用下の前浜斜面に敷設した色相の異なる混合粒径による蛍光砂にブラックライトを照射し,波打ち帯の漂砂移動を可視化した.その結果,飽和斜面の蛍光砂量は不飽和斜面に比して常に高く推移し,特に流出する細かい粒径分の増加が著しくなり,底質の粗粒化及び前浜勾配の急峻化がより一層進行することを示した.また,それらに及ぼす前浜浸透流の影響について考察した.更に遡上波変形と飽和-不飽和浸透流の結合数値解析モデルならびに,粒径別の透過斜面に対する無次元掃流力モデルによる数値解析を行った結果,混合粒径下における波打ち帯の漂砂移動の傾向を定性的ではあるが,概ね良好に評価できることを示した. | |||||||||||
言語 | ja | |||||||||||
抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | The characteristics of sediment transport according to saturation of the sand slope under mixed grain size are investigated experimentally and numerically. The movement of fluorescent sands with different colors for each grain size are measured in solitary wave experiments. As the result, in the case of saturated condition, the sediment transport becomes larger constantly due to uplift force of the seepage flow. In particular, increasing of the fine sand components is significantly. This phenomenon leads to coarse granulation of bottom sediment and steepening of the foreshore gradient accelerates even further. A numerical approach of tractive force for respective grain sizes of sand mixtures is presented, that is quantified through a permeable Shields parameter. The results of prediction are in good qualitative agreement with those of experiments. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
ja : 土木学会論文集B2(海岸工学) en : Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 巻 73, 号 2, p. I_541-I_546, 発行日 2017 |
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出版者 | ||||||||||||
言語 | ja | |||||||||||
出版者 | 土木学会 | |||||||||||
出版者版へのリンク | ||||||||||||
10.2208/kaigan.73.I_541 | ||||||||||||
https://doi.org/10.2208/kaigan.73.I_541 | ||||||||||||
DOI | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | 10.2208/kaigan.73.I_541 | |||||||||||
論文ID(NAID) | ||||||||||||
関連タイプ | isIdenticalTo | |||||||||||
識別子タイプ | NAID | |||||||||||
関連識別子 | 130006171865 | |||||||||||
日本十進分類法 | ||||||||||||
主題Scheme | NDC | |||||||||||
主題 | 517 | |||||||||||
ISSN | ||||||||||||
収録物識別子タイプ | PISSN | |||||||||||
収録物識別子 | 1884-2399 | |||||||||||
書誌レコードID | ||||||||||||
収録物識別子タイプ | NCID | |||||||||||
収録物識別子 | AA12373113 | |||||||||||
権利 | ||||||||||||
言語 | ja | |||||||||||
権利情報 | © copyright 2017 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 | |||||||||||
主となる版 | ||||||||||||
関連タイプ | isVersionOf | |||||||||||
識別子タイプ | URI | |||||||||||
関連識別子 | https://www.jstage.jst.go.jp/article/kaigan/73/2/73_I_541/_pdf/-char/ja | |||||||||||
フォーマット | ||||||||||||
内容記述タイプ | Other | |||||||||||
内容記述 | application/pdf |