Friction Factors for Corrugated Plastic Drainage Pipe

by Ross W. Irwin, Prof.; School of Engrg., Univ. of Guelph, Guelph, Ontario, Canada,
Jiri Motycka, Dir. of Laboratories; Dept. of Mech. Engrg., Univ. of Toronto, Toronto, Ontario, Canada,


Serial Information: Journal of the Irrigation and Drainage Division, 1979, Vol. 105, Issue 1, Pg. 29-36


Document Type: Journal Paper

Abstract: The hydraulic roughness of 200-mm, 250-mm, and 300-mm corrugated plastic drainage pipe was measured. The Darcy-Weisbach friction factor and the Manning roughness factor respectively are, as follows: 200 = 0.082 and 0.019; 250 mm = 0.068 and 0.018; and 300 mm = 0.095 and 0.022. A graph for pipe diameter selection for a choice of slopes is included.

Subject Headings: Hydraulic roughness | Pipelines | Plastic pipes | Drainage | Friction | Slopes

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