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How effective recurved retaining wall as seawall?

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Recurved retaining walls, also known as recurve seawalls, are effective in reducing wave overtopping while maintaining a pleasing aesthetic and preserving the view of the sea. Studies have shown that different forms of recurve seawalls, such as concave shapes with squared overhanging edges, can significantly reduce overtopping . These structures utilize recurved wall surfaces to efficiently dissipate wave energy and decrease wave impact, enhancing their effectiveness in reducing overtopping . Recurve structures, including recurve parapets, have been found to provide substantial reductions in wave overtopping, especially in high freeboard and wave breaking conditions . Model studies have further confirmed the effectiveness of recurved wave return walls in reducing overtopping discharges when compared to plain sloping seawalls without such features .

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Open access Effectiveness of recurved wave return walls M.W. Owen, A.A.J. Steele - Show less +1 more 01 Feb 1993 21 Citations	The effectiveness of recurved wave return walls as seawalls was evaluated through model studies, measuring overtopping discharges and comparing them to expected values, indicating their effectiveness in reducing overtopping.
Open access•Proceedings Article•DOI Effectiveness of recurve walls in reducing wave overtopping on seawalls and breakwaters Jonathan M. Pearson, Tom Bruce, William Allsop, Andreas Kortenhaus, J.W. Van der Meer - Show less +4 more 01 Apr 2005 45 Citations	Recurved walls on seawalls and breakwaters effectively reduce wave overtopping by deflecting water seaward, especially in high freeboard and wave breaking conditions, with a recurve k-factor < 0.05.
Open access•Dissertation Effect of the form of the overhang of a recurve seawall to reduce wave overtopping Marcus Malan Kretschmer 01 Dec 2017 2 Citations	The effectiveness of a recurve seawall in reducing wave overtopping was studied, with concave shape and squared overhanging edge proving most effective among different forms tested.
Book Chapter•DOI Comparative Study of Breaking Wave Forces on a Quasi-Prototype Recurved Seawall Rajendran Ravindar, V. Sriram, Stefan Schimmels, Dimitris Stagonas - Show less +3 more 01 Jan 2019	Recurved seawalls are effective in reducing wave overtopping without increasing crest height. Experimental data compares impact forces and pressures, showing potential benefits over traditional vertical walls.
Patent Construction Method of Crown Seawall Having Hollow Relief Recurved Wall for Wave Overtopping Reduction Ko Kwang Oh, Kim Sung Ho, Lee Young Ki, Jung Suk Rok, Min Eun Jong - Show less +4 more 13 May 2019	The recurved retaining wall as a seawall is effective in reducing wave overtopping and dissipating wave energy, enhancing wave decrease effects, and reducing pressure from both vertical and oblique incident waves.

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How effective recurved wall as seawall in coastal area?5 answersRecurved walls as seawalls in coastal areas have shown to be effective in reducing wave overtopping and mitigating coastal flooding. Studies have highlighted the benefits of recurve walls in minimizing wave overtopping compared to plain vertical walls and other retrofit structures. Numerical simulations have demonstrated the effectiveness of recurved parapets in reducing overtopping by returning incident waves and dissipating wave energy. Additionally, physical and numerical modeling have shown that seawalls can significantly reduce tsunami run-up and inundation, with reductions of up to 55% in physical models and 67.53% in numerical models when the seawall height is appropriately designed relative to the tsunami wave height. Recurved walls offer a promising solution for coastal defense against wave overtopping and tsunami impacts.

The effectiveness of recurved wall in a coastal area?5 answersRecurved walls have shown effectiveness in coastal areas by reducing wave overtopping and enhancing resilience to coastal flooding. Studies have highlighted that recurve walls outperform plain vertical walls and submerged breakwater retrofits in mitigating wave overtopping. The shape and geometrical configurations of recurve retrofits significantly influence their performance, with concave shapes with squared overhanging edges offering the most reduction in overtopping. Additionally, the increase in recurve height and overhang length leads to higher horizontal impact forces, enhancing the wave loading and overturning moment on the structure. Numerical simulations have further supported these findings, showcasing the ability of recurved parapets to reduce overtopping and improve structural integrity in coastal defence systems.

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