CHARACTERIZATION OF WAVE IMPACTS ON CURVE FACED STORM RETURN WALLS  WITHIN A STILLING WAVE BASIN CONCEP

Toon Verwaest; Corrado Altomare; Tomohiro Suzuki; Koen Trouw

doi:10.9753/icce.v34.structures.57

No. 34 (2014), Coastal Structures

No. 34 (2014)

CHARACTERIZATION OF WAVE IMPACTS ON CURVE FACED STORM RETURN WALLS WITHIN A STILLING WAVE BASIN CONCEP

Coastal Structures

https://doi.org/10.9753/icce.v34.structures.57

Published 2014-10-30

Toon Verwaest⁺⁻
Corrado Altomare⁺⁻
Tomohiro Suzuki⁺⁻
Koen Trouw⁺⁻

Toon Verwaest

Flanders Hydraulics Research

Corrado Altomare

Flanders Hydraulics Research - Ghent University

Tomohiro Suzuki

Flanders Hydraulics Research - Ghent University

Koen Trouw

3Flemish Agency for Maritime Services and Coast

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Keywords

wave loading
stilling wave basin
shallow foreshore
physical model
coastal protection

How to Cite

Verwaest, T., Altomare, C., Suzuki, T., & Trouw, K. (2014). CHARACTERIZATION OF WAVE IMPACTS ON CURVE FACED STORM RETURN WALLS WITHIN A STILLING WAVE BASIN CONCEP. Coastal Engineering Proceedings, 1(34), structures.57. https://doi.org/10.9753/icce.v34.structures.57

Abstract

Low lying coastal areas are ones of the most vulnerable zones to the effects of sea level rise and storm surge. An example is the Belgian coastline. In order to protect it from erosion and flooding on the long-term, the Flemish Government approved in 2010 the Coastal Safety Master Plan, a driving plan that provides general solutions for coastal protections looking ahead to the year 2050. The coastal town of Wenduine is one of the weakest links along the Belgian coastal defense line due to the low freeboard of the existing dike and the high population density in this area. A solution could be to heighten the existing sea walls. However, a compromise needs to be found between social and technical requirements since the elevated touristic and recreational value of the area makes very high storm return walls not acceptable as solution for the upgrading of the existing dike. Therefore the construction of a new curve-faced wave return walls, coupled with beach nourishment has been adopted to meet required mean wave overtopping discharge standards foreseen in the Master Plan. The wave loading on such kind of walls have to be characterized for a proper design. The present work illustrates the final results of the experimental campaign conducted at Flanders Hydraulics Research (Antwerp) to assess the forces exerted by sea waves onto those curve-faced walls within a stilling wave basing concept.

https://doi.org/10.9753/icce.v34.structures.57

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References

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