Prévisions du l’influence de la vidange des sédiments sur l’environnement dans un groupe de trois barrages

Takeshi Yoshimura, Hiroki Shinya, Tetsuya Sumi, Norio Onikura

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

抄録

With the flood disaster experienced in the Mimikawa River system due to Typhoon Nabi in 2005, various problems caused by sediment in the river basin became clear, including increased risk of flooding with rising riverbed levels in dam-regulating reservoirs, grain coarsening in the downstream river channel with the entrapment of sediment in dams, and the destabilization of bridge piers in the downstream river channel. As part of an effort to resolve all these problems simultaneously, from 2017 sediment sluicing at a series of dams was implemented. Sluicing is an operation carried out when there is river flooding due to typhoons. Dam-regulating reservoir drawdown is carried out, and sediment flowing into these reservoirs from the upstream is allowed to flow downstream of dams. This paper principally covers 1) an overview of sediment sluicing at dams in the Mimikawa River system, 2) understanding and analysis of the river environment prior to sluicing, 3) predictions of the effect on the river environment due to sluicing, and 4) testing of these predictions.

寄稿の翻訳タイトルPredictions of environmental effect due to sediment sluicing at a series of three dams
本文言語フランス語
ホスト出版物のタイトル26th International Congress on Large Dams, 2018
出版社CRC Press/Balkema
ページ379-402
ページ数24
ISBN(印刷版)9781138612280
出版ステータス出版済み - 1 1 2018
イベント26th International Congress on Large Dams, 2018 - Vienna, オーストリア
継続期間: 7 4 20187 6 2018

出版物シリーズ

名前26th International Congress on Large Dams, 2018

会議

会議
国/地域オーストリア
CityVienna
Period7/4/187/6/18

All Science Journal Classification (ASJC) codes

  • 地盤工学および土木地質学
  • 土木構造工学

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