Sediment management and flow patterns at river bend due to triangular vanes attached to the bank
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- 作者：Mohammad Bahrami Yarahmadi ; m_bahrami_1085@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; Mahmood Shafai Bejestan
- 关键词：Triangular vanes ; River restoration ; Bank erosion ; River bend ; In-stream structures
- 刊名：Journal of Hydro-environment Research
- 出版年：2016
- 出版时间：March 2016
- 年：2016
- 卷：10
- 期：Complete
- 页码：64-75
- 全文大小：5067 K
文摘
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Triangular vanes are in-stream structures used for bank protection and restoration of fishes and other aquatic organisms' habitat.
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Our recommendation is that the space between the vanes should not exceed 5le.
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The vanes induce a secondary flow cell near the outer bank which counteracts the main spiral flow in the bend.
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The triangular vane caused to decrease the depth-averaged velocity near the outer bank at both upstream, up to 44%, and downstream sections of the structure.