Application of Particle Densimetric Froude Number for Evaluating the Maximum Culvert Scour Depth
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VIEW CORRECTIONPublication: Journal of Irrigation and Drainage Engineering
Volume 146, Issue 8
Abstract
This paper presents a compilation of a large database consisting of 588 culvert scour experiments covering a wide combination of different culvert shapes, culvert outlet conditions, and sediment properties. The analysis shows that the maximum scour depth, when normalized with the hydraulic radius, can be expressed reasonably as a linear function of the particle densimetric Froude number for both full-flowing and non-full-flowing outlet conditions. In addition, the sediment nonuniformity effect is also considered by choosing (rather than ) as the representative grain diameter in the dimensional analysis, which improves the result of the data correlation.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
The authors acknowledge the following undergraduate students for their contributions to furnish the NTU data source used in this study: Akhtar A, Chia HH, Das A, Lau BK, Leow CS, Ma Y, Miao W, Peh FW, Seah LH, Surya P, Tan YP, Tan BE, Tan JJP, Tay SP, Theodosius S, See GH, Sheng TH, Pee J, Salam MRA, and Zaihan NS; and lab technicians Sally, Edmund, and Andy for their assistance in data collection. The authors also gratefully acknowledge the support from the National Natural Science Foundation of China (Grant No. 51979242).
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Published In
Journal of Irrigation and Drainage Engineering
Volume 146 • Issue 8 • August 2020
Copyright
©2020 American Society of Civil Engineers.
History
Received: Sep 17, 2019
Accepted: Feb 24, 2020
Published online: May 23, 2020
Published in print: Aug 1, 2020
Discussion open until: Oct 23, 2020
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