River Dividing Structure using Hydraulic Jump Phenomena for Controlling Flow Rate

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  • HATTORI Tatsuo
    国土交通省琵琶湖工事事務所工務第一課 国土交通省近畿地方整備局河川部地域河川課
  • KAI Shiro
    (株) 建設技術研究所大阪支社技術第一部
  • HIROTA Yasuhisa
    (株) 建設技術研究所大阪支社技術第一部
  • TAKADA Yasuhiko
    (株) 建設技術研究所東京本社水理砂防部

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Other Title
  • 跳水現象を利用した分水施設の試み
  • チョウスイ ゲンショウ オ リヨウ シタ ブンスイ シセツ ノ ココロミ

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A certain amount of water is necessary for the environmental preservation even dividing works have made. In this case, the down stream river maintenance flow is expected to be large when the main stream becomes smaller. It is also expected to be small when the stream become larger. In this paper, a planning procedure and a report of hydraulic model test of a new system of division works are presented, which is able to control a quantity of divided water flow.

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