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Expert Meeting Levee Erosion 14 September 2023

 The Expert Meeting Levee Erosion was held on 14 September 2023 in Delft. The goal of the meeting was to obtain a shared view on the topic of levee erosion/aging for sea/river dikes in changing conditions (drought, animal burrowing, policy changes).

The program included four sessions combined with break-out sessions and plenary discussions:

  • Introduction and opening by Martin van der Meer & Tanja Voogd.
  • Session 1: Impact drought and animal burrowing, insights Hedwige erosion tests. 
    • Results Hedwige tests: impact on erodability top layers by Myron van Damme.
    • Levee safety framework animal burrowing by André Koelewijn.
  • Session 2:  Soil structuring and aging, monitor and predict clay layer condition.
    • Top layer profiling in test pits, first results seadikes, application all dikes by Marc Hijma. 
    • Soil aging mechanisms, relation with climate proof design, sea or river conditions by Martine van der Ploeg. 
  • Session 3: Wave and current induced erosion: physics models, parameters, tests. 
    • Rivers/current - typical riverdike, critical and occuring shear stress by Gijs Hoffmans.
    • Coastal/waves - typical seadike, transient overtopping flows by Bas Hofland.
  • Session 4: Introduction Borehole Erosion Test in the Netherlands, US experience.
    • US experiences, applications as a profiling tool, improvements by Jean-Louis Briaud..
    • NL first results (sneak preview), relation with other lab and fields tests by Werner Halter.

You can download the presentations and expert output from the discussions here: EMLE info set.zip


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