Research Article
Sep 1977
Unified View of Wash Load and Bed Material Load
Publication: Journal of the Hydraulics Division
Volume 103, Issue 9
Abstract
This paper presents a new generalized model of flow-sediment interaction. The behavior of the wash load and of the suspended bed-material load can then result as special cases of the new model. The latter follows the lines of Einstein’s original probabilistic model except that interparticle forces of mechanical and physico-chemical nature have been introduced and that the flow-induced forces on the individual grains or flocs were assumed to have an upper and lower bound. It is shown that the actual wash load may consist of two distinct types of sediment which may coexist: (a)Bed load function for a limited range of flow conditions whereas above that range it behaves as a wash load; and (b)the other never has a bed load function. It is shown that the latter consists predominantly of silt and clay, i.e., of sediment finer than 0.06 mm, a fact consistently observed in alluvial channels.
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Published In
Journal of the Hydraulics Division
Volume 103 • Issue 9 • September 1977
Pages: 1037 - 1057
Copyright
© 1977 American Society of Civil Engineers.
History
Published in print: Sep 1977
Published online: Feb 3, 2021
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Authors
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Emmanuel Partheniades, M.ASCE
Prof. of Hydr. Structures, Aristoteles Univ. of Thessaloniki, Greece; and Prof. of Engrg. Sci., Univ. of Florida, Gainesville, Fla.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.