Non-Repeatability, Scale- and Model Effects in Laboratory Measurement of Impact Loads Induced by an Overtopped Bore on a Dike Mounted Wall
Maximilian Streicher (Universiteit Gent)
Andreas Kortenhaus (Universiteit Gent)
Corrado Altomare (Universiteit Gent, Universitat Politecnica de Catalunya)
Steven Hughes (Colorado State University)
Krasimir Marinov (University of Architecture, Civil Engineering and Geodesy)
Bas Hofland (TU Delft - Civil Engineering & Geosciences)
Xuexue Chen (HaskoningDHV Nederland B.V)
Tomohiro Suzuki (Flanders Hydraulics)
Lorenzo Cappietti (University of Florence)
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Abstract
Overtopping bore impact forces on a dike mounted vertical wall were measured in similar large-scale (Froude length scale factor 1-to-4.3) and small-scale (Froude length scale factor 1-to-25) models. The differences due to scale effects were studied, by comparing the up-scaled force measurements from both models in prototype. It was noted that if a minimum layer thickness, velocity of the overtopping flow and water depth at the dike toe were maintained in the small-scale model, the resulting differences in impact force due to scale effects are within the range of differences due to non-repeatability and model effects.