Analysis of Resistance over Staggered Roughness

by Hsieh W. Shen, (M.ASCE), Prof. of Civ. Engrg.; Dept. of Civ. Engrg., Colorado State Univ., Fort Collins, CO,
Ruh-Ming Li, Grad. Student; Dept. of Civ. Engrg., Colorado State Univ., Fort Collins, CO,


Serial Information: Journal of the Hydraulics Division, 1973, Vol. 99, Issue 11, Pg. 2169-2174


Document Type: Journal Paper

Abstract: This note proposes a method of predicting the resistance factor for a given combination of flow and roughness properties. The only pattern considered in this study is the staggered pattern because of its common usage. Based on study results, the writers determined that more data on the development of the friction factor for flexible roughness are needed for further analysis.

Subject Headings: Hydraulic roughness | Flow resistance | Load and resistance factor design | Data analysis | Friction

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