Granular open filter in rubble mound sand retaining structures

Physical model tests of a negative geometrically open filter layer

Master thesis (2019)

Authors

D.P. van de Ven Civil Engineering & Geosciences

Contributors

Bas Hofland Hydraulic Structures and Flood Risk - CEG (mentor)
A. Antonini Coastal Engineering - CEG (graduation committee member)
G.M. Smith Coastal Engineering - CEG (graduation committee member)
D.C.P. van Kester Van Oord (graduation committee member)
Faculty
Civil Engineering & Geosciences, Civil Engineering & Geosciences
Copyright: © 2019 Daan van de Ven
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Published Date

18-11-2019

Language

English

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Faculty

Civil Engineering & Geosciences

Abstract

For the use of open filters in land reclamations new guidelines are needed as no research is currently done for the configuration of a sand layer is placed on top of a filter layer. This research focuses purely on the interaction between cyclic motions and the described sand-filter layer. A numerical OpenFOAM model is used to extract the order of magnitude of the parallel and perpendicular gradients from a numerically designed filter. With these gradients a model setup is designed where five sand-filter combinations are tested. All combinations are tested for both parallel and perpendicular gradients, which resulted in a range of critical gradients for both directions.

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