High-Velocity Erosion of Sand
Publication: Journal of Hydraulic Engineering
Volume 148, Issue 5
Abstract
Dredging is the relocation of soil. Before the soil can be transported, it has to be loosened. This can be done hydraulically (jetting) or mechanically (cutting). Often, water jets are used to erode the soil layer. Over time, pickup functions have been derived to predict the amount of erosion corresponding to the flow conditions. However, existing pickup functions are inaccurate at high flow velocities. During the current study, erosion experiments have been done at high flow velocities (up to ) corresponding to a bed shear stress of up to 60 Pa and a Shields parameter (θ) of up to 30. The results of these experiments were compared with a number of well-known data sets and pickup functions.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
This study was commissioned by Boskalis, one of the largest dredging contractors in the world. All tests were executed in the hydro-laboratory of Boskalis in Papendrecht as part of the master’s thesis of Heijmeijer (2019) at the Delft University of Technology.
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Published In
Journal of Hydraulic Engineering
Volume 148 • Issue 5 • May 2022
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Jun 2, 2020
Accepted: Aug 3, 2021
Published online: Feb 26, 2022
Published in print: May 1, 2022
Discussion open until: Jul 26, 2022
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