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A model for breach growth in a sand-dike and its prediction for the Zwin 94 experiment
Visser, P.J. (1994). A model for breach growth in a sand-dike and its prediction for the Zwin 94 experiment. TU Delft, Department of Hydraulic Engineering: Delft. ii, 22 pp.

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Keyword
    Brackish water

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  • Visser, P.J.

Abstract
    A mathematical model for breach growth in sand-dikes and dunes is described. The model is based on the five-step breach erosion process as observed in several laboratory experiments and the Zwin 89 field experiment. A simplified Galappatti (1983) pick up mechanism for sand from the bed is combined with Bagnold's (1963) modified (Visser, 1988) energetics-based sand transport conception to describe the breach erosion. The test of the model to the data of the Zwin 89 experiment shows good agreement. Finally, a prediction for the growth of the breach width in the Zwin 94 experiment is given.

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