Hydraulic Stability of the Armor Layer of Overtopped Breakwaters

[EN] Mound breakwaters with significant overtopping rates in depth-limited conditions are common in practice due to social concern about the visual impact of coastal structures and sea level rise due to climatic change. For overtopped mound breakwaters, the highest waves pass over the crest producin...

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Detalhes bibliográficos
Autores: Argente-Garrido, Gloria Maria, GÓMEZ-MARTÍN, M. ESTHER|||0000-0003-1555-4383, Medina, Josep R.|||0000-0001-5007-7426
Formato: artículo
Fecha de publicación:2018
País:España
Recursos:Universitat Politècnica de València (UPV)
Repositorio:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
Idioma:inglés
OAI Identifier:oai:riunet.upv.es:10251/120460
Acesso em linha:https://riunet.upv.es/handle/10251/120460
Access Level:acceso abierto
Palavra-chave:Hydraulic stability
Breaking wave conditions
Low-crested structures
Mound breakwaters
Armor layer
INGENIERIA E INFRAESTRUCTURA DE LOS TRANSPORTES
Descrição
Resumo:[EN] Mound breakwaters with significant overtopping rates in depth-limited conditions are common in practice due to social concern about the visual impact of coastal structures and sea level rise due to climatic change. For overtopped mound breakwaters, the highest waves pass over the crest producing armor damage, not only to the front slope, but also to the crest and the rear slope. To guarantee the breakwater stability, it is necessary to limit the armor damage in the three parts of the structure: Front slope, crest, and rear slope. This paper describes the hydraulic stability of the armor layer of medium and low-crested structures in wave breaking conditions. Small-scale physical model tests were carried out with different relative crest freeboards and three armor units: Rocks, cubes, and Cubipods. The armor damage progression in the front slope, crest, and rear slope was analyzed using the Virtual Net method to consider the heterogeneous packing and porosity evolution along the armor slope. A comparison is provided between the hydraulic stability of the different armors and their relationship with the measured overtopping volumes.