Tolkmitt's Backwater and Dropdown Curve Tablesby R. D. Goodrich, (F.ASCE), Chf.Engr.; Grand Junction, Colo.,
Serial Information: Journal of the Hydraulics Division, 1960, Vol. 86, Issue 5, Pg. 1-6
Document Type: Journal Paper
Tables and formulas, published originally by G.TOLKMITT, are presented in slightly enlarged form, for computation of backwater and dropdown curves for channels of parabolic section; use of Manning's coefficient of roughness and velocity formula in cases when considerable variations in depth and water volumes have to be considered.
Subject Headings: Curvature | Backwater | Computing in civil engineering | Fluid velocity | Paraboloid | Hydraulic roughness | Water table
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