Flow Resistance Properties of Flexible Linings

by George K. Cotton, CRSS Civil Engineers INc, Phoenix, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Flow resistance for flexible channel linings is a function of the relative roughness of the lining in accordance with boundary-layer principles. As with vegetation, flexible linings have a tendency to deform under imposed boundary shear stress. The erosion control properties of flexible channel linings depend largely on the creation of a buffer zone above the soil surface. A standardized method for testing flexible linings is discussed.

Subject Headings: Flow resistance | Load and resistance factor design | Linings | Boundary layers | Boundary shear | Soil properties | Surface properties | Channel flow

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