Characteristics aid Control of Local Flow in Downstream of River Bend

Characteristics aid Control of Local Flow in Downstream of River Bend

This study is concerned with the countermeasures to local scour in the downstream of river bend. The characteristic of the local flow around the river bend and the influence of spur dikes and rib-type structures on the feature of the flow is investigated through model experiments. Some usefull infor...

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Veröffentlicht in:PROCEEDINGS OF HYDRAULIC ENGINEERING 1993/02/20, Vol.37, pp.549-554
Hauptverfasser: OKABE, Takeshi, YUUKI, Toyokatsu, NUNOKAWA, Masahiro
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Sprache:eng
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hydraulic countermeasure
local flow
local scour
river bend
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container_end_page 554
container_issue
container_start_page 549
container_title PROCEEDINGS OF HYDRAULIC ENGINEERING
container_volume 37
creator OKABE, Takeshi
YUUKI, Toyokatsu
NUNOKAWA, Masahiro
description This study is concerned with the countermeasures to local scour in the downstream of river bend. The characteristic of the local flow around the river bend and the influence of spur dikes and rib-type structures on the feature of the flow is investigated through model experiments. Some usefull information of the flow affected by the river bend without countermeasures is obtained. It is shown that a spur dike set at the mid of bend section remarkably improve the conditions of main flow as well as the secondary flow; the effect of the dike depends on the set-angle. It is also indicated that the combination of a rib-type structure and a spur dike produces good results.
doi_str_mv 10.2208/prohe.37.549
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source J-STAGE Free; Freely Accessible Japanese Titles; Alma/SFX Local Collection
subjects hydraulic countermeasure
local flow
local scour
river bend
title Characteristics aid Control of Local Flow in Downstream of River Bend
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