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Scour at Highway Structures in Tidal Waters

by E. V. Richardson, Resource Consultants, Ft. Collins Co., United States,
J. R. Richardson, Resource Consultants, Ft. Collins Co., United States,
B. E. Edge, Resource Consultants, Ft. Collins Co., United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

Scour analysis of bridges over tidal waterways uses the same scour equations as for the rivers. However, determining the hydraulic variables to use in the equations is complex. A major difference, as explained in this paper, is the effect on velocity and discharge of an increase in cross sectional area.

Subject Headings: Scour | Highway bridges | Tides | Seismic design | Hydraulic design | Highway and road design | Wave velocity

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