Effect of movement on the settlement of fluid mud

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Bachelor thesis (2017)

Authors

L. Pleij Civil Engineering & Geosciences

Contributors

J. Gebert Geo-engineering - CEG (supervisor 1)
C. Chassagne Environmental Fluid Mechanics - CEG (supervisor 2)
F. Zander Geo-engineering - CEG (supervisor 1)
A. Shakeel Rivers, Ports, Waterways and Dredging Engineering - CEG (supervisor 1)
Faculty
Civil Engineering & Geosciences
Copyright: © 2017 Lodewijk Pleij
Fluid mud Mud Movement
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Published Date

18-05-2017

Language

English

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Faculty

Civil Engineering & Geosciences

Abstract

This thesis describes the research about the effect of movement on fluid mud. This was done by exposing several samples of fluid mud from the port of Hamburg to different types of movement for an extended amount of time. It was found that when fluid mud is exposed to kinetic energy of the type used in this experiment, particles will arrange themselves. Dense material and larger particles can be found lower than less dense material and smaller particles. The amount of kinetic energy has no effect on the settling velocity once fluid mud settles. In this research energy level 6 created waves with a frequency of about 3 to 4 waves per second with an amplitude of 1.5 cm. This is the least amount of kinetic energy needed to keep the fluid mud homogenised. A lower density fluid mud will settle faster than a higher density fluid mud. It is not yet clear if this is caused by the density, or that the relation of the difference in density and settling velocity is coincidental.