REDUCTION OF BACKWATER EFFECTS DUE TO OBSTACLES BY PUMPING

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  • 障害物による背水効果に対するポンプの有効欧
  • 障害物による背水効果に対するポンプの有効性
  • ショウガイブツ ニ ヨル ハイスイ コウカ ニ タイスル ポンプ ノ ユウコウ

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Abstract

It is an important subject to improve the urban rivers for flood protection. However, it is difficult in many cases to obtain the working spaces in the vicinity of the river channels. Therefore, the temporary stages are ofen constructed in the channels, and obstruct the flood flows. In order to reduce the backwater effects of such obstacles, the installation of pump system, by which a part of flood discharge is bypassed, are considered effective, and its applicability is investigated from the hydraulic view point.

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