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dc.identifier.uri Kerpen, Nils B. Schoonees, Talia Schlurmann, Torsten 2019-07-02T08:17:30Z 2019-07-02T08:17:30Z 2019
dc.identifier.citation Kerpen, N.B.; Schoonees, T.; Schlurmann, T.: Wave overtopping of stepped revetments. In: Water 11 (2019), Nr. 5, 1035. DOI:
dc.description.abstract Wave overtopping - i.e., excess of water over the crest of a coastal protection infrastructure due to wave run-up - of a smooth slope can be reduced by introducing slope roughness. A stepped revetment ideally constitutes a slope with uniform roughness and can reduce overtopping volumes of breaking waves up to 60% compared to a smooth slope. The effectiveness of the overtopping reduction decreases with increasing Iribarren number. However, to date a unique approach applicable for a wide range of boundary conditions is still missing. The present paper: (i) critically reviews and analyzes previous findings; (ii) contributes new results from extensive model tests addressing present knowledge gaps; and (iii) proposes a novel empirical formulation for robust prediction of wave overtopping of stepped revetments for breaking and non-breaking waves. The developed approach contrasts a critical assessment based on parameter ranges disclosed beforehand between a smooth slope on the one hand and a plain vertical wall on the other. The derived roughness reduction coefficient is developed and adjusted for a direct incorporation into the present design guidelines. Underlying uncertainties due to scatter of the results are addressed and quantified. Scale effects are highlighted. eng
dc.language.iso eng
dc.publisher Basel : MDPI AG
dc.relation.ispartofseries Water 11 (2019), Nr. 5
dc.rights CC BY 4.0 Unported
dc.subject Coastal structures eng
dc.subject Design formulae eng
dc.subject Laboratory tests eng
dc.subject Stepped revetment eng
dc.subject Wave overtopping eng
dc.subject Revetments eng
dc.subject Shore protection eng
dc.subject Slope protection eng
dc.subject Coastal protection eng
dc.subject Coastal structures eng
dc.subject Critical assessment eng
dc.subject Design formulae eng
dc.subject Laboratory test eng
dc.subject Non-breaking waves eng
dc.subject Reduction coefficient eng
dc.subject Wave overtoppings eng
dc.subject Water waves eng
dc.subject.ddc 690 | Hausbau, Bauhandwerk ger
dc.title Wave overtopping of stepped revetments eng
dc.type Article
dc.type Text
dc.relation.issn 2073-4441
dc.bibliographicCitation.issue 5
dc.bibliographicCitation.volume 11
dc.bibliographicCitation.firstPage 1035
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

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