A hindered settling model for the prediction of settling and consolidation of cohesive sediment |
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Authors: | Erik A Toorman Jean E Berlamont |
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Institution: | (1) Hydraulics Laboratory, Katholicke Universiteit Leuven, De Croylaan 2, B-3001 Heverlee, Belgium |
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Abstract: | The prediction of the settling and consolidation behavior of mixtures of cohesive and non-cohesive sediment is possible using
a numerical model that solves the solids mass balance for each fraction. Consistency with the hindered settling theory as
well as classical soil mechanics is preserved. Semi-empirical relationships for settling rate and effective stress as a function
of density are required as constitutive equations. A simple procedure, using settling column experiment data, for calibration
is proposed. The possibility of distinguishing different kinds of particles allows prediction of layered deposits. |
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