Research Article
Jan 1965
Erosion and Deposition of Cohesive Soils
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 91, Issue 1
Abstract
The effects of shear stress, suspended sediment concentration, and shear strength of bed on the erosion rates of a cohesive bed in an open channel with salt water have been investigated. The deposition rates of suspended cohesive sediment and the patterns of bed erosion have been studied to a lesser extent. For the experimental range the erosion rates were found to be independent of the shear strength of the bed and the concentration of suspended sediment. They depend strongly on the bed shear stress. The minimum shear stresses for initiation of erosion were also found to be independent of the shear strength of bed. There seems to exist a critical velocity for the clay part of suspended sediment, above which all such sediment remains in suspension, whereas even for velocities slightly below this critical limit, the suspended clay deposits rapidly. Scouring occurred predominantly within a well defined narrow and relatively straight zone near the center of the flume.
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Published In
Journal of the Hydraulics Division
Volume 91 • Issue 1 • January 1965
Pages: 105 - 139
Copyright
© 1965 American Society of Civil Engineers.
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Published in print: Jan 1965
Published online: Feb 3, 2021
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Authors
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Emmanuel Partheniades, M.ASCE
Asst. Prof. of Hydr., Dept. of Civ. Engrg., Postdoctoral Fellow in Engrg., Massachusetts Inst. of Tech., Cambridge, Mass.
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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.