Wave reflection from coastal structures in design conditions |
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| Authors: | Barbara Zanuttigh Jentsje W van der Meer |
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| Institution: | 1. University of Bologna, DISTART Idraulica, Viale Risorgimento 2, 40136 Bologna, Italy;2. Van der Meer Consulting b. v., Voorsterweg 28, 8316 PT, Marknesse, The Netherlands |
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| Abstract: | Based on an extensive database of more than 4000 data, this paper analyses wave reflection for various types of coastal structures in design conditions, such as smooth, rock and armour unit slopes. A new simple formula has been developed that relates the reflection coefficient to the breaker parameter and seems to fit all kinds of revetment materials by changing two coefficients. These coefficients depend only on the correct roughness factor, provided by recent research on overtopping discharges. The effects on reflection due to composite slopes and to low crests are also examined and proper extensions of the formula are provided. |
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| Keywords: | Wave reflection Coastal structures Database Berm Low-crest |
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