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A model for breach erosion in sand-dikes
Visser, P.J. (2001). A model for breach erosion in sand-dikes, in: Edge, B.L. (Ed.) Coastal engineering 2000, July 16-21, 2000, Sydney Convention and Exhibition Centre, Sydney, Australia: conference proceedings. pp. 3829-3842
In: Edge, B.L. (Ed.) (2001). Coastal engineering 2000, July 16-21, 2000, Sydney Convention and Exhibition Centre, Sydney, Australia: conference proceedings. ASCE: Reston. ISBN 978-0-7844-0549-9. 4 vol. (4112 p.) pp., more

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Document type: Conference paper

Keywords
    Beach erosion; Embankments; Mathematical models; Sand; Site surveys; Marine

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  • Visser, P.J.

Abstract
    A model for breach erosion in sand-dikes is outlined. The model is based on the five-stage breach erosion process as described by Visser (1999). For the final two stages three breach types are distinguished in the model, depending on the erodibility of the base of the dike, the presence (or absence) of a solid toe construction on the outer slope and the presence and erodibility of a high foreland. The model has been calibrated with the data of a field experiment and tested to the data of a laboratory experiment, yielding good agreement. The confrontation of the model with the data of the failure of a prototype dike in The Netherlands yields results more or less in agreement with an eye-witness report.

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