Title

Design of Imawatari Dam Fishway (a Denil fishway combined with an orifice fishway equipped with shutter gates)

Publication Date

1995

Notes

Title, abstract, and figure legends in English, remainder of text in Japanese

Publication Title

Proceedings of the International Symposium on Fishways '95

Start Page

195

End Page

200

Publication Place

Gifu, Japan

Publisher

The Organizing Committee for International Symposium on Fishways '95 in Gifu

Abstract

A new fishway is planned to enhance upstream migration over the Imawatari Dam of the Kiso River. To cope with fluctuation of water level of the reservoir (3 meters a days), combination of a Denil fishway and an orifice fishway equipped with float-driven shutter gates is developed. To make the best use of discharge from a power station as attraction flow, two fish entrances are placed at both sides of the outlet. Detailed tests on models and the actual structure are prepared to examine flow control capability.



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