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Abstract
To analyse completely flow and deposition on mine waste beaches, it is necessary to estimate the flow resistance. It is shown that, notwithstanding the high solids concentrations characteristic of mine waste slurries, the Manning equation for mobile bed flows can be used to describe the flow resistance in rough, turbulent, subcritical flows on mine waste beaches. However, the values of the coefficient in the Manning equation that are appropriate for such mine waste beaches are considerably smaller than those for both fixed bed flows and mobile bed flows with relatively low solids concentrations. No comparable data are available for beaches with laminar or supercritical flows.
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