Hydraulic Forces on Submerged Bridge Decks.

Author(s)
Parr, A.D. Young, C.B. & Martin, J.
Year
Abstract

Bridge decks can be subjected to large horizontal forces when overtopped by a flooding waterway. These forces can result in the displacement of bridge decks from the bents. This paper reports on the results of a laboratory study of horizontal forces on simulated bridge decks under submerged, steady flow conditions. An empirical equation was developed that expressesthe dimensionless horizontal force per unit bridge width as a function ofthe approach flow Froude number and dimensionless geometric parameters. The equation was used to determine the resultant horizontal force on a prototype bridge using the output from the Hydrologic Engineering Center's River Analysis System (HEC-RAS Version 3.1.3) one-dimensional, hydraulic model.

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Publication

Library number
C 48128 (In: C 47949 DVD) /24 / ITRD E854453
Source

In: Compendium of papers DVD 89th Annual Meeting of the Transportation Research Board TRB, Washington, D.C., January 10-14, 2010, 10 p.

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