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Block ramps for stream power attenuation in gravel-bed streams: A review
R.K. Chaudhary, , Z. Ahmad
Published in IWA Publishing
Volume: 21
Issue: 2
Pages: 493 - 512
Application of the block ramp technique in steep gradient streams for energy dissipation as well as to maintain river stability finds increasing favor amongst researchers and practitioners in river engineering. This paper dwells on a comprehensive state-of-the-art review of flow resistance, energy dissipation, flow characteristics, stability, and drag force on block ramps by various investigators in the past. The forms and equations for each type are thoroughly discussed with the objective of finding the grey areas and gaps. More research is warranted further to improve the equations, which are essential for design analysis. Block ramps can be a promising simple technique to achieve reasonable attenuation of devastating fluvial forces unleashed in gravel-bed streams during cloud bursts. © 2021 The Authors Water Supply.
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Published in IWA Publishing
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