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Wave Run-Up on Mortar-Grouted Riprap Revetments

Institute of Hydraulic Engineering and Water Resources Management, RWTH Aachen University, 52056 Aachen, Germany
Division of Hydromechanics, Coastal and Ocean Engineering, Leichtweiß-Institute for Hydraulic Engineering and Water Resources, Technische Universität Braunschweig, 38106 Braunschweig, Germany
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;
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.

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.

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.

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