Estimation of Bed Material Transport Capacity

by Henry M. Fehlman,
Ruh-Ming Li, (M.ASCE),



Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water

Abstract:

A procedure is presented which combines several computational components for the estimation of bed material transport capacity in alluvial channels. Bed load transport is estimated through use of the Meyer-Peter, Mueller relation. The velocity of the bed load is estimated from a theoretically developed and empirically calibrated equation. Continuity is applied to determine the thickness of the moving bed layer, and the local sediment concentration is derived assuming a logarithmic velocity profile for the water flowing within the bed layer. An updated Einstein procedure is then applied for integration of the suspended load.

Subject Headings: Bed materials | Alluvial channels | River and stream beds | Bed loads | Sediment transport | Suspended loads | Fluid velocity | Empirical equations

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