A comparison of wood-sediment-water mixture flows at a closed type and an open type of check dams in mountain rivers

F. Maricar, H. Hashimoto

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

4 被引用数 (Scopus)

抄録

The debris flow event in Hofu City, Yamaguchi Prefecture, Japan on July 21, 2009 yielded a large amount of sediment transport and woody debris in the mountain river basin, where a closed type of check dam and an open type of check dam were built (Maricar et al., 2011). Based on laboratory tests, the debris flow control by these check dam was studied. This paper compares the deposition process of sediment grains and pieces of wood at the open and closed check dam in a laboratory flume experiment. The experimental results showed that the open check dam trapped the wood pieces and the trapped pieces deposited the sediment grains behind themselves. On the other hand, the closed check dam made most of wood pieces pass through the check dam and most of sediment grains get trapped in the water pool behind the closed check dam.

本文言語英語
ホスト出版物のタイトルProceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2014
出版社CRC Press/Balkema
ページ711-716
ページ数6
ISBN(印刷版)9781138026742
DOI
出版ステータス出版済み - 2014
イベント7th International Conference on Fluvial Hydraulics, RIVER FLOW 2014 - Lausanne, スイス
継続期間: 9月 3 20149月 5 2014

出版物シリーズ

名前Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2014

その他

その他7th International Conference on Fluvial Hydraulics, RIVER FLOW 2014
国/地域スイス
CityLausanne
Period9/3/149/5/14

!!!All Science Journal Classification (ASJC) codes

  • 自然保全および景観保全
  • 水の科学と技術

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