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Threshold for Sediment Motion in V-Shaped Channels

Author(s): Mirali Mohammadi; Donald W. Knight

Linked Author(s): Donald W. Knight

Keywords: Sediment threshold; Open channels; Bridge deck drainage

Abstract: Sediment threshold experiments were conducted in two types of rigid boundary Vshaped drainage channels, commonly used in bridge kerbside drainage units. Sand and gravel particles were used and the slope-discharge relationships found for threshold conditions. Comparisons were made with the Shields (1936) threshold criterion and the Ackers& White (1973) total load function. The latter equation was found to be more appropriate for design purposes.


Year: 1999

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