Shear strength measurement in soft mud deposits: application of GraviProbe and RheoTune

Conference paper (2022)

Authors

Ebi Meshkati Deltares
Jarno Terwindt Deltares
Alex Kirichek Deltares, Rivers, Ports, Waterways and Dredging Engineering - CEG
A.M. Talmon Offshore and Dredging Engineering - Mechanical, Maritime and Materials Engineering , Deltares
Adam Bezuijen Universiteit Gent, Deltares
Research Group
Rivers, Ports, Waterways and Dredging Engineering (CEG) (TU Delft)
Copyright: © 2022 Ebi Meshkati, Jarno Terwindt, Thijs van Kessel, Alex Kirichek, A.M. Talmon, Adam Bezuijen
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Published Date

2022

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Hydraulic Engineering

Research Group

Rivers, Ports, Waterways and Dredging Engineering

Abstract

Soft mud deposits are increasingly encountered around the world, from natural offshore deposits and mud layers in estuaries, ports, and waterways to progressively growing leftover from treatment and extraction facilities, mines, and oil refineries. Reliable monitoring of the temporal and spatial strength buildup in such deposits is crucial to optimize their sediment management plan. In this study, two well-established shear strength profilers i.e. GraviProbe 2.0 (dotOcean) and RheoTune (Stema Systems) are investigated. Their working principles are described, and their performance is compared against direct strength measurement. Finally, capabilities, limitations, and points of improvement of both instruments are discussed.

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