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Comparative study on breaking wave forces on vertical walls with cantilever surfaces
Kisacik, D.; Van Bogaert, P.; Troch, P. (2010). Comparative study on breaking wave forces on vertical walls with cantilever surfaces, in: The proceedings of the Twentieth (2010) International Offshore and Polar Engineering Conference, Beijing, China, June 20-25, 2010. pp. [1-7]
In: (2010). The proceedings of the Twentieth (2010) International Offshore and Polar Engineering Conference, Beijing, China, June 20-25, 2010. ISOPE: [s.l.]. ISBN 978-1-880653-77-7. 4 vol. pp., more
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Document type: Conference paper
Keywords
    Energy transfer > Energy dissipation > Wave dissipation > Wave breaking
    Forces (mechanics) > Loads (forces) > Wave forces
    Models > Scale models
    Marine/Coastal
Author keywords
    Wave impact pressure; wave impact force; small scale tests; regular waves; wave breaking; Wave impacts; Golfklappen
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Abstract
    Physical experiments (at a scale of 1/20) are carried out using two different models: a vertical wall with cantilevering slab and a simple vertical wall. Tests are conducted for a range of values of water depth, wave period and wave height. The largest peak pressures were recorded at the SWL (82 pghs) on the vertical part and at the fixed corner of the cantilever slab (90 pghs). Pressure measurements and derived force calculations on the simple vertical wall were used to evaluate the existing prediction formulas. A significant effect of the cantilevering part is observed on the total horizontal force and overturning moment of a simple vertical wall. This is due to secondary impact occurring on the overhanging part by a jet climbing on the vertical part.
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