Comparison of Bridge Backwater Relations

by Gaylord V. Skogerboe, (M.ASCE), Assoc. Prof.; Dept. of Agr. Engrg., Coll. of Engrg., Colorado State Univ., Fort Collins, CO,
J. W. Hugh Barrett, Grad. Res. Asst.; Dept. of Agr. Engrg., Coll. of Engrg., Colorado State Univ., Fort Collins, CO,
Wynn R. Walker, (A.M.ASCE), Res. Assoc.; Dept. of Agr. Engrg., Coll. of Engrg., Colorado State Univ., Fort Collins, CO,
Lloyd H. Austin, (A.M.ASCE), Res. Engr.; Dept. of Agr. Engrg., Coll. of Engrg., Colorado State Univ., Fort Collins, CO,


Serial Information: Journal of the Hydraulics Division, 1973, Vol. 99, Issue 6, Pg. 921-938


Document Type: Journal Paper

Discussion: Koloseus Herman J. (See full record)

Abstract: A previously developed subcritical (submerged) flow analysis for open channel constrictions has been shown to be generally applicable to computing backwater due to bridges, whether the flow prior to bridge placement is uniform or nonuniform (abnormal stage-discharge condition). Existing backwater equations have been shown to fit the subcritical flow analysis.

Subject Headings: Submerged flow | Nonuniform flow | Subcritical flow | Backwater | Open channel flow | Bridge tests | Open channels | Water discharge

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