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https://hdl.handle.net/10356/79669
Title: | Incipient sediment motion with upward seepage | Authors: | Chiew, Yee-Meng Cheng, Nian-Sheng |
Keywords: | DRNTU::Engineering::Civil engineering::Water resources | Issue Date: | 1999 | Source: | Cheng, N. S., & Chiew, Y. M. (1999). Incipient sediment motion with upward seepage. Journal of Hydraulic Research, 37(5), 665-681. | Series/Report no.: | Journal of hydraulic research | 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. | URI: | https://hdl.handle.net/10356/79669 http://hdl.handle.net/10220/7638 |
ISSN: | 0022-1686 | DOI: | 10.1080/00221689909498522 | Schools: | School of Civil and Environmental Engineering | 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]. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | CEE Journal Articles |
Files in This Item:
File | Description | Size | Format | |
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Incipient sediment motion with upward seepage.pdf | Main article | 5.19 MB | Adobe PDF | View/Open |
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