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Full scale wave overtopping measurements
De Rouck, J.; Van de Walle, B.; Geeraerts, J.; Troch, P.; Van Damme, L.; Kortenhaus, A.; Medina, J. (2004). Full scale wave overtopping measurements, in: Melby, J.E. (Ed.) Coastal Structures 2003: Proceedings of the Conference, August 26-30, 2003, Portland, Oregon. pp. 494-506.
In: Melby, J.E. (Ed.) (2004). Coastal Structures 2003: Proceedings of the Conference, August 26-30, 2003, Portland, Oregon. American Society of Civil Engineers (ASCE): Reston. ISBN 0-7844-0733-9. xii, 1354 pp., more

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Document type: Conference

Author keywords
    Wave overtopping; Wave measurement; Rubble-mound breakwaters

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  • Van Damme, L., more
  • Kortenhaus, A., more
  • Medina, J.

    Rubble mound breakwaters are designed for allowable wave overtopping conditions by either physical modelling or numerical modelling or a combination of both. These models need to be calibrated and model results need to be verified against reality. One of the main outcomes of the EC OPTICREST project was that wave run-up on a rubble mound breakwater is underestimated in small scale models compared to full scale (De Rouck et al. (2001)). As wave run-up is closely related to wave overtopping, small scale model tests might underestimate wave overtopping as well. The link between full scale and laboratory wave overtopping measurements has not been made in a systematic way yet. One of the main objectives of the research project CLASH (Crest Level Assessment of coastal Structures by full scale monitoring, neural network prediction and Hazard analysis on permissible wave overtopping, 2002–2004), funded by the European Commission under contract no EVK3-CT-2001-00058 is to solve the problem of suspected scale and / or model effects for wave overtopping. To accomplish this objective, field measurements on wave overtopping are carried out at three different locations in Europe: a vertical seawall with rubble mound toe protection at Samphire Hoe, United Kingdom (Pullen et al., 2003), a rock armoured rubble mound breakwater in shallow water at Ostia, Italy (Franco et al., 2003) and a rubble mound breakwater armoured with flattened Antifer cubes at Zeebrugge, Belgium. All prototype sites will be modelled in two different laboratories and laboratory results will be compared to prototype results. The objective of this paper is to describe the full scale infrastructure to measure wave overtopping at the Zeebrugge rubble mound breakwater.

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