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Derivation of Formulas for Sediment Carrying Capacity and Erosion and Deposition Strength Applicable to Channel Siltation Calculation on Silty Mud Coast

Author(s): Xiaotian Dong; Wenjin Zhu; Congying Kong; Na Wang

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Keywords: Sediment carrying capacity; Seabed erosion and deposition; Sediment-laden flow; Silty mud coast

Abstract: Silt siltation is an important problem in channel construction. Sediment transport in channel had been a research hotspot because of its uniqueness. Based on the cross-section characteristics of channel, and in view of the problem that most of the existing formulas are semi-empirical and semi-theoretical, with assumption and simplification of the motion of sediment-laden flow, this paper deduces the formulas for calculating the flow carrying force and seabed scouring and silting strength from the perspective of hydrodynamic equilibrium of sediment-laden flow.

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Year: 2020

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