Lateral Bed Load Transport on Side Slopes

by Syunsuke Ikeda, (M.ASCE), Assoc. Prof.; Dept. of Foundation Engrg., Saitama Univ., Urawa, Saitama, Japan,

Serial Information: Journal of the Hydraulics Division, 1982, Vol. 108, Issue 11, Pg. 1369-1373

Document Type: Journal Paper

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Abstract: Lateral bed load transport is studied in laboratory flume and wind tunnel. Introduction of laterally inclinable wind tunnel permits accurate measurements of shear stress on side slope and of lateral bed load. The result of wind tunnel test was examined by an open channel experiment. A universal formula for the lateral bed load q*l is presented as a function of inclination of side slope, θ, and dimensionless shear stress τ*/τ*c; and the expression is q*l/tanθ = α(τ*/τ*c)β. The numerical constants α and β are found to be 0.0039 and 1.5, respectively, for τ*/τ*c > 1.07. The formula may add some information to bank protection engineering, prediction of river meander, and to widening of braided river.

Subject Headings: Lateral loads | Bed loads | Shear stress | River bank stabilization | Wind tunnel | Tunnels | Slopes | Wind loads |

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