Consolidation and drying of slurries
an overview
Maria Barciela Rial (TU Delft - Environmental Fluid Mechanics)
J. C. Winterwerp (TU Delft - Environmental Fluid Mechanics)
Jasper Griffioen (Universiteit Utrecht, TNO)
Thijs van Kessel (Deltares)
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Abstract
Sediment is becoming scarce and fine sediments are progressively used for reclamation projects. Therefore there is an increasing need to use cohesive fine sediments (mud) for land reclamation and nature building. These sediments exhibit larger deformations and consolidation time than sandy sediment, and are therefore more challenging building materials to use. The MarkerWadden (Lake Markermeer, The Netherlands) is one of the first projects using fresh soft mud (with a low-strength and high water content) for wetland construction.
In the research, the material properties of natural sediment from the Markermeer were determined and, the consolidation, drying and undrained shear strength was studied for varying solid compositions. Furthermore, the influence of vegetation and drainage during consolidation and drying was investigated.