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  1. 学術雑誌掲載済論文
  2. 和雑誌

水路幅の部分拡幅に伴う砂州形状の変化

https://kitami-it.repo.nii.ac.jp/records/2000026
99510c8b-fa9f-46b8-8a24-ef7838b8f64b
名前 / ファイル ライセンス アクション
土木学会論文集B1(水工学)74-5,p1261-1266.pdf 土木学会論文集B1(水工学)74-5,p1261-1266.pdf (1.4 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 水路幅の部分拡幅に伴う砂州形状の変化
タイトル
言語 en
タイトル EXPERIMENTAL STUDY OF THE FORMATION OF SAND BAR BY PARTIAL RIVER WIDENING
言語
言語 jpn
キーワード
言語 en
主題Scheme Other
主題 Off-channel habitat
キーワード
言語 en
主題Scheme Other
主題 bar development
キーワード
言語 en
主題Scheme Other
主題 movable bed experiments
キーワード
言語 en
主題Scheme Other
主題 stream tomography
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 片岡, 朋子

× 片岡, 朋子

CiNii ID 9000405854979

ja 片岡, 朋子

en KATAOKA, Tomoko

Search repository
布川, 雅典

× 布川, 雅典

CiNii ID 9000410278600

ja 布川, 雅典

en NUNOKAWA, Masanori

Search repository
矢野, 雅昭

× 矢野, 雅昭

WEKO 39814

ja 矢野, 雅昭

en YANO, Masaaki

Search repository
井上, 卓也

× 井上, 卓也

WEKO 39041

ja 井上, 卓也

en INOUE, Takuya

Search repository
山口, 里実

× 山口, 里実

CiNii ID 9000410757217

ja 山口, 里実

ja-Kana ヤマグチ, サトミ

en YAMAGUCHI, Satomi

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
抄録
内容記述タイプ Abstract
内容記述 魚類の産卵生息場として,流速が遅く水深が深いalcoveと呼ばれる地形がある.本研究では,中規模河床形態の単列砂州領域の河道において,川幅の部分拡幅によって単列砂州発生領域における河道内の砂州の変化を知ることを目的に,移動床による水路実験を実施した.そして,形成された河床地形の平面二次元流況解析による水深および流速の分布から,alcove形状形成の有無を確認した.その結果,拡幅により強制砂州が形成され,それに侵入する自由砂州の移動速度が遅くなることが示された.しかし,水路幅に対する拡幅延長が5倍程度では,自由砂州の移動速度は強制砂州の影響を受けなかった.また,水路幅に対する拡幅延長が10倍程度では,流量低下後にalcove地形が形成されることが示唆された.
言語 ja
抄録
内容記述タイプ Abstract
内容記述 In this study, in the river channel of the hydraulic environment belonging to the formation area of double-row bar for meso-scale bed configurations, movable bed experiments aimed at investigating the formation of sediment accumulation caused by partial widening to form alcove was carried out. As a result, it became clear that the shape of the sandbar is different depending on the length of the widened part. In the case of the length of the widened part about 5 times the width of the channel, it was confirmed that even if free bar entered the forced bar, it did not affect the flowing down of the free bar. On the other hand, in the case of the length of the widened part about 10 times, the possibility that the alcove topography is formed along the river bank after the flow rate reduction was suggested.
言語 en
書誌情報 ja : 土木学会論文集B1(水工学)

巻 74, 号 5, p. I_1261-I_1266, 発行日 2018
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.74.5_I_1261
論文ID(NAID)
関連識別子
識別子タイプ NAID
関連識別子 130007757755
出版者
言語 ja
出版者 土木学会
著者版フラグ
値 author
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
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