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Conditioning procedures to enhance the reproducibility of mud settling and consolidation experiments
Brouwers, B.; Meire, D.; Toorman, E.; van Beeck, J.; Lataire, E. (2023). Conditioning procedures to enhance the reproducibility of mud settling and consolidation experiments. Est., Coast. and Shelf Sci. 290: 108407. https://dx.doi.org/10.1016/j.ecss.2023.108407
In: Estuarine, Coastal and Shelf Science. Academic Press: London; New York. ISSN 0272-7714; e-ISSN 1096-0015, meer
Peer reviewed article  
Beschikbaar in  Auteurs | Dataset 
Trefwoorden
    Hydraulics and sediment > Sediment > Cohesive sediment
    Hydraulics and sediment > Sediment > Nautical bottom
    Physical modelling
    Marien/Kust
Author keywords
    Reproducibility; Repeatability; Conditioning; Mixing; Consolidation; Sedimentation; Cohesive sediment; Mud; Laboratory experiments
Project Top | Auteurs | Dataset 
  • Ontwikkeling van onderzoeksinfrastructuur ter ondersteuning van nautisch onderzoek, meer
Auteurs  Top | Dataset 
  • Brouwers, B., meer
  • Meire, D., meer
  • Toorman, E.
  • van Beeck, J.
  • Lataire, E., meer
Abstract
    The means by which mud is conditioned for use in laboratory experiments affects the behaviour of the mud during the experiments, and hence the results and reproducibility. This study discusses the impact of different mud conditioning techniques and procedures using multiple series of short-term consolidation tests. The mud used originates from the Zeebrugge docks of the Port of Antwerp-Bruges, Belgium. For all experiments the initial density of the mud was around 1.08 g cm−3, which is below its gel density. This has the advantage that the comparison can be limited to the behaviour during the typical initial settling phases, allowing experiments to be restricted in time to seven days. Each series of experiments is repeated multiple times using two separate batches of mud. The objective is to quantify the repeatability across these different series of experiments, and to identify the ideal conditioning procedure for optimal reproducibility for future laboratory experiments using mud. Distinct differences in settling curves are observed which confirm the intended influence of each mixing technique. A conditioning procedure based on a combination of axial and radial mixing yields the most control over settling behaviour during the initial stages of the sedimentation process and therefore results in the best repeatability of settling behaviour. It is recommended that such a mud conditioning procedure is further used for experiments with mud to allow for a better uniformity in research where the behaviour of mud is critical.
Dataset
  • Brouwers, B. (2023). Mud settling experiments - Water/mud interface level time series [DATA SET]. Flanders Hydraulics, meer
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