Log jam formation by an obstruction in a river

M. I. Rusyda, H. Hashimoto, S. Ikematsu

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

13 被引用数 (Scopus)

抄録

The flume experiments were carried out to examine the relationship between a log jam and an obstruction in a channel. Cylindrical wood pieces and bridges with a single pier were used as a model of floating woody debris and an obstruction, respectively. The results reveal that a log jam at the model bridge is determined by shaded area of an obstruction in a channel. An empirical equation for predicting the volume of a log jam at an obstruction was proposed. A log jam at the model bridge caused backwater rise. Backwater rise depends on the number of wood pieces trapped by a model bridge. Dependence of loss coefficient on trapped wood pieces is clearly shown. Loss coefficient is determined by blockage ratio of a jam at a model bridge.

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717-724
ページ数8
ISBN(印刷版)9781138026742
DOI
出版ステータス出版済み - 1 1 2014
イベント7th International Conference on Fluvial Hydraulics, RIVER FLOW 2014 - Lausanne, スイス
継続期間: 9 3 20149 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
Countryスイス
CityLausanne
Period9/3/149/5/14

All Science Journal Classification (ASJC) codes

  • Nature and Landscape Conservation
  • Water Science and Technology

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