Walowa (Wave Loads on Walls): Large-Scale Experiments in the Delta Flume

Maximilian Streicher, Andreas Kortenhaus, Corrado Altomare, Vincent Gruwez, Bas Hofland, Xuexue Chen, Krasimir Marinov, Babette Scheres, Holger Schüttrumpf, Matthias Hirt, Lorenzo Cappietti, Andrea Esposito, Alessandra Saponieri, Nico Valentini, Giuseppe Tripepi, Davide Pasqualini, Marcello Di Risio, Francesco Aristodemo, Leonardo Damiani, Marc WillemsDieter Vanneste, Tomohiro Suzuki, Mark Klein Breteler, Dorothea Kaste

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Overtopping wave loads on vertical structures on top of a dike have been investigated in several small scale experiments in the past. A large-scale validation for a mild foreshore situation is still missing. Hence the WALOWA experimental campaign was carried out to address this topic. In the present paper the objectives of the WALOWA project are outlined in detail, the model and measurement set-up described and the test program presented. Furthermore, preliminary results featuring a single 1000 irregular waves test of the test program are highlighted. This includes the study of the mild and sandy foreshore evolution by comparing profiles before and after the test execution. The profile measurements are obtained with a mechanical profiler. The wave parameters offshore and at the dike toe are numerically simulated using a SWASH model. The numerical results are validated against the measurements. Finally, the force and pressure time series of the waves impacting against the wall are processed and filtered. The load cell measurements and the time series of integrated pressures are compared to each other and for each impact event the maximum force is derived.
Original languageEnglish
Title of host publicationProceedings of the International Short Course and Conference on Applied Coastal Research
Number of pages11
Publication statusPublished - 2017
EventInternational Short Course and Conference on Applied Coastal Research 2017 - School of Nautical Studies of the Universidad de Cantabria, Santander, Spain
Duration: 3 Oct 20176 Oct 2017


ConferenceInternational Short Course and Conference on Applied Coastal Research 2017
Abbreviated titleSCACR2017
Internet address

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