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A simple mathematical model to predict the particle size distribution of the armour layer

Author(s): R.J. Garde; Aditya Sahay; Shekhar Bhatnagar

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Keywords: Parallel degradation; armour coat; particle size distribution; normal distribution; time evolution

Abstract: A simplified method to predict the particle size distribution of the armour coat in the case of parallel degradation has been proposed. Using all available data, the particle size distribution of the armour layer was found to follow a normal probability distribution.A mathematical formulation to predict the median size of the armour coat has also been given. Some of the earlier methods for the prediction of the same have been studied and their accuracy has been compared to that of the proposed method. The time evolution of the river bed armouring process has also been investigated and the findings discussed.

DOI: https://doi.org/10.1080/00221686.2006.9521732

Year: 2006

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