Effect of wave storm representation on damage measurements of breakwaters

In this work, the effects of storm representation on damage measurements of a breakwater are studied in a small-scale physical wave flume. In particular, a two-layer breakwater with cubic armor units randomly placed is considered. A storm recorded in the Mediterranean Sea is the basis to analyze the...

Descripción completa

Detalles Bibliográficos
Autores: Marzeddu, Andrea|||0000-0001-9515-7323, Oliveira, Tiago C.A., Sánchez-Arcilla Conejo, Agustín|||0000-0002-3450-6697, Gironella Cobos, Xavier|||0000-0002-8862-5704
Tipo de recurso: artículo
Fecha de publicación:2020
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/178527
Acceso en línea:https://hdl.handle.net/2117/178527
https://dx.doi.org/10.1016/j.oceaneng.2020.107082
Access Level:acceso abierto
Palabra clave:Breakwaters--Models
Waves--Mathematical models
Wave storm representation
Armor layer stability
Physical modeling
Dics d'escullera
Onades -- Models matemàtics
Àrees temàtiques de la UPC::Enginyeria civil::Enginyeria hidràulica, marítima i sanitària::Ports i costes
Descripción
Sumario:In this work, the effects of storm representation on damage measurements of a breakwater are studied in a small-scale physical wave flume. In particular, a two-layer breakwater with cubic armor units randomly placed is considered. A storm recorded in the Mediterranean Sea is the basis to analyze the armor layer damage. Storm sea states are represented in the laboratory using four different methodologies: i) Real storm methodology (RSM, used here as benchmark test) ii) Classical methodology (CM) iii) Equivalent Magnitude Storm with a triangular shape (EMSI) and iv) Equivalent Magnitude Storm with a trapezoidal shape (EMSA). For the four methodologies, the experiments are repeated five times. Considering laboratory occupation times, results suggest that a minimum of five repetitions of CM should be performed to obtain an average damage value that can represent the average damage given by RSM. Although this recommendation is linked to the tested conditions, it provides useful information to set-up experiments dealing with similar breakwater and wave conditions.