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Incipient sediment motion with upward seepage.

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Incipient sediment motion with upward seepage.

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dc.contributor.author Cheng, Nian-Sheng
dc.contributor.author Chiew, Yee-Meng.
dc.date.accessioned 2012-03-14T00:48:32Z
dc.date.available 2012-03-14T00:48:32Z
dc.date.copyright 1999
dc.date.issued 2012-03-14
dc.identifier.citation Cheng, N. S., & Chiew, Y. M. (1999). Incipient sediment motion with upward seepage. Journal of Hydraulic Research, 37(5), 665-681.
dc.identifier.issn 0022-1686
dc.identifier.uri http://hdl.handle.net/10220/7638
dc.description.abstract This study investigates the effect of upward bed seepage on the critical condition of incipient sediment motion in open channel flow both analytically and experimentally. The critical condition was derived by analyzing the forces acting on a sediment particle lying on a permeable horizontal bed subject to seepage. The ratio of the critical shear velocity with seepage to that without seepage depends on the ratio of the hydraulic gradient of seepage to its critical value under the quick condition. Experimental results concerning incipient motion of cohesionless uniform sediments in open channel flow show that for a particular size of sediment, the critical shear velocity decreases with increasing seepage velocity. All measurements generally support the theoretically derived expression of the critical shear velocity in the presence of an upward seepage.
dc.format.extent 17 p.
dc.language.iso en
dc.relation.ispartofseries Journal of hydraulic research
dc.rights © 1999 IAHR. This is the author created version of a work that has been peer reviewed and accepted for publication in Journal of Hydraulic Research, published by Taylor & Francis on behalf of International Association for Hydro-Environment Engineering and Research. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1080/00221689909498522].
dc.subject DRNTU::Engineering::Civil engineering::Water resources.
dc.title Incipient sediment motion with upward seepage.
dc.type Journal Article
dc.contributor.school School of Civil and Environmental Engineering
dc.identifier.doi http://dx.doi.org/10.1080/00221689909498522
dc.description.version Accepted version

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