Hydraulics of Side-Channel Weirs for Regional Detention Basins

by K. A. Tynes, Johns Hopkins Univ, United States,
E. R. Holley, Johns Hopkins Univ, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Side-channel weirs can be used for diversion to reduce flood peaks. A 1:25 scale model was built to investigate the hydraulic characteristics of embankment-shaped side-channel weirs. Results from this model study are presented. Particular attention has been given to 1) quantification of the discharge which flows over a side-channel weir for given weir geometries and channel flow conditions, 2) the changes which occur in the channel stage as water flows past and over the weir, and 3) the effects of submergence on the side-weir discharge and channel stages.

Subject Headings: Water discharge | Submerged flow | Water flow | Hydraulics | Weirs | Detention basins | Hydraulic models | Channel flow

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