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  1. 学術雑誌掲載済論文
  2. 和雑誌

川幅と河床勾配が破堤現象に与える影響

https://kitami-it.repo.nii.ac.jp/records/2000011
0df9309f-9a43-4657-8341-fb98a94d536b
名前 / ファイル ライセンス アクション
dobokuB1_73,4,I_1345-1350.pdf 土木学会論文集B1(水工学) 73, 4, I_1345-1350 (2.1 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2021-03-31
タイトル
言語 ja
タイトル 川幅と河床勾配が破堤現象に与える影響
タイトル
言語 en
タイトル THE EFFECT OF CHANNEL WIDTH AND CHANNEL BED SLOPE ON LEVEE BREACH PROCESSES
言語
言語 jpn
キーワード
言語 en
主題Scheme Other
主題 levee breach process
キーワード
言語 en
主題Scheme Other
主題 channel width and bed slope
キーワード
言語 en
主題Scheme Other
主題 numerical model
キーワード
言語 en
主題Scheme Other
主題 Nays2D breach
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
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 島田, 友典

× 島田, 友典

WEKO 90181
CiNii ID 9000022906307

ja 島田, 友典

ja-Kana シマダ, トモノリ

Search repository
渡邊, 康玄

× 渡邊, 康玄

WEKO 214
CiNii ID 9000411228257
KAKEN - 研究者検索 00344424

ja 渡邊, 康玄

ja-Kana ワタナベ, ヤスハル

en Watanabe, Yasuhau

Search repository
岡部, 博一

× 岡部, 博一

WEKO 89980

ja 岡部, 博一

en OKABE, Hirokazu

Search repository
岩崎, 理樹

× 岩崎, 理樹

ja 岩崎, 理樹

en IWASAKI, Toshiki

Search repository
中島, 康博

× 中島, 康博

ja 中島, 康博

en NAKASHIMA, Yasuhiro

Search repository
抄録
内容記述タイプ Abstract
内容記述 近年,堤防決壊が頻発する中,破堤被害軽減技術の構築は重要であるが,それには破堤現象の解明が不可欠である.千代田実験水路を用いた破堤実験により様々な知見を得ているが限られた河道条件である.そこで実験をもとに開発された数値計算モデルを用いて,川幅と河床勾配が破堤現象に与える影響について検討を行った.河床が急勾配では川幅の広狭によらず縦断方向に破堤拡幅が進行すること,河床勾配が緩くなるにつれ落掘の発達が顕著になり川幅が広くなると氾濫流況は正面越流に近くなることなど,河道特性を4つのカテゴリーに分類し破堤現象の相違を明らかにし,効果的な減災工法の考え方を示した.
言語 ja
抄録
内容記述タイプ Abstract
内容記述 It is important mitigating flood damage by overflow from a levee breached. The mechanism of levee breach has not been clarified. This study aims to clarify the below point, the effect of channel width and channel bed profile on levee breach processes by using a numerical model to simulate levee breaches based on results of the experiments. The results of the simulation are as follows: In the case of steep slope channel, levee breach widening is dominant. In the case of mild-slope channel, river bed erosion is dominant.
言語 en
書誌情報 ja : 土木学会論文集B1(水工学)

巻 73, 号 4, p. I_1345-I_1350, 発行日 2017
ISSN
収録物識別子タイプ PISSN
収録物識別子 2185-467X
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.2208/jscejhe.73.I_1345
論文ID(NAID)
関連識別子
識別子タイプ NAID
関連識別子 130006406214
出版者
言語 ja
出版者 土木学会
著者版フラグ
値 publisher
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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