Biomechanics of Vegetative Channel Liningsby Nicholas Kouwen, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Univ. of Waterloo, Ontario, Canada,
Ruh-Ming Li, (M.ASCE), Assoc. Prof.; Dept. of Civ. Engrg., Colorado State Univ., Fort Collins, Colo.,
Serial Information: Journal of the Hydraulics Division, 1980, Vol. 106, Issue 6, Pg. 1085-1103
Document Type: Journal Paper
A method to determine and apply the biomechanical properties of vegetative channel linings is presented. The method is used to evaluate the stiffness of vegetation commonly used to protect earth channels from erosion. Using the vegetation stiffness and stem length, the deflected height of the channel lining is predicted to yield a relative roughness under given flow conditions. The relative roughness is used to calculate a value of the Darcy-Weisbach friction factor or Manning's n. A method to design a vegatated channel is included.
Subject Headings: Vegetation | Linings | Stiffening | Hydraulic roughness | Erosion | Channel flow | Displacement (mechanics) | Friction
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