Stability of Channel Beds by Armoring

by W. Campbell Little, (M.ASCE), Hydr. Engr.; U.S. Dept. of Agr. Sedimentation Lab., Oxford, Miss.,
Paul G. Meyer, (M.ASCE), Prof. of Civ. Engrg.; Georgia Inst. of Tech., Atlanta, Ga.,

Serial Information: Journal of the Hydraulics Division, 1976, Vol. 102, Issue 11, Pg. 1647-1661

Document Type: Journal Paper


An experimental study of channel armoring formed the basis for an empirical technique to determine, for a given logarithmic-normal sediment distribution and for given hydraulic flow properties: (1)If the sediment bed will armor; and (2)if the sediment bed should armor, what will be the geometric mean diameter and standard deviation of the armored surface particles? Conversely, from this technique stable armored channels can be designed for a given earth material by the proper choice of channel dimensions that affect hydraulic parameters.

Subject Headings: Armor units | Sediment | Bed materials | Channel stabilization | Hydraulic design | River and stream beds | Surface properties | Material properties

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