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Article

Wave Run-Up on Mortar-Grouted Riprap Revetments

1
Institute of Hydraulic Engineering and Water Resources Management, RWTH Aachen University, 52056 Aachen, Germany
2
Division of Hydromechanics, Coastal and Ocean Engineering, Leichtweiß-Institute for Hydraulic Engineering and Water Resources, Technische Universität Braunschweig, 38106 Braunschweig, Germany
3
Coastal Research Center, Joint Research Unit of Technische Universität Braunschweig and Leibniz University Hannover, 30419 Hannover, Germany
*
Author to whom correspondence should be addressed.
Water 2020, 12(12), 3396; https://doi.org/10.3390/w12123396
Received: 8 October 2020 / Revised: 19 November 2020 / Accepted: 30 November 2020 / Published: 2 December 2020
(This article belongs to the Special Issue Advances in Coastal and Ocean Engineering)
The wave run-up height is a crucial design parameter that determines the crest height of a sea dike and is used for estimating the number of overtopping waves. Therefore, a reduction of the wave run-up height is generally aspired in the design of dikes, which can be achieved by mortar-grouted riprap revetments (MGRR). Although MGRRs are widely utilized revetments along the German North Sea coast, no investigations into the wave run-up height on this revetment type are available to date. Full-scale hydraulic model tests were hence conducted to investigate wave run-up heights on partially grouted and fully grouted MGRRs. The wave run-up was determined using 2D-LIDAR measurements, which were validated by video data. Partially grouted MGRRs, due to their roughness, porosity, and permeability, reduce wave run-up heights from 21% to 28%, and fully grouted MGRRs due to their roughness reduce wave run-up heights from 12% to 14% compared to smooth impermeable revetments. Influence factors have been determined for four widely used revetment configurations, which can now be used for design purposes. A comparison and subsequent discussion about the representation of the physics of wave run-up by different parameters is carried out with the results presented. View Full-Text
Keywords: wave run-up; mortar-grouted riprap revetment; full-scale hydraulic tests; LIDAR; parameter study wave run-up; mortar-grouted riprap revetment; full-scale hydraulic tests; LIDAR; parameter study
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MDPI and ACS Style

Kreyenschulte, M.; Schürenkamp, D.; Bratz, B.; Schüttrumpf, H.; Goseberg, N. Wave Run-Up on Mortar-Grouted Riprap Revetments. Water 2020, 12, 3396. https://doi.org/10.3390/w12123396

AMA Style

Kreyenschulte M, Schürenkamp D, Bratz B, Schüttrumpf H, Goseberg N. Wave Run-Up on Mortar-Grouted Riprap Revetments. Water. 2020; 12(12):3396. https://doi.org/10.3390/w12123396

Chicago/Turabian Style

Kreyenschulte, Moritz, David Schürenkamp, Benedikt Bratz, Holger Schüttrumpf, and Nils Goseberg. 2020. "Wave Run-Up on Mortar-Grouted Riprap Revetments" Water 12, no. 12: 3396. https://doi.org/10.3390/w12123396

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