CEDA Dredging Days 2019

Dredging Days

Cutter head spillage when dredging sand or gravel

7-8 November 2019. Ahoy, Rotterdam, the Netherlands

Miedema SA and Nieuwboer BJ - Delft University of Technology, the Netherlands

Summary: Knowing the spillage/efficiency of your cutter dredge, when dredging sand or gravel, could save considerable amounts of money on an operation, and this paper will show the best way to determine it.

  • A new analytical model has been developed for the spillage of a cutter head
  • Based on physics, new scale laws have been derived for spillage
  • The model has been calibrated with the den Burger (2003) experiments
  • The model is validated with the Miltenburg (1983) experiments
  • The model (Excel) can be downloaded on ResearchGate/Miedema

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Last update: 6 September 2019