Ogee-Crested Weirs: Difference between revisions
From ASDSO Dam Safety Toolbox
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[[Category:Spillway Control Structures]] | [[Category:Spillway Control Structures]] | ||
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|caption= Dinham Weir, UK. | |||
(Image Source: [https://commons.wikimedia.org/wiki/File:Dinham_Weir_-_geograph.org.uk_-_2698765.jpg Richard Webb]) | |||
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“An additional type of weir is the ogee. The downstream section of an ogee crest is parabolic shaped to mimic the underneath side of the nappe jet passing over a sharp-crested weir. Ogee [[weirs]] are commonly found in large hydraulic structures where passing the design flow at minimum head is important. For more information on ogee crests, see U.S. Department of Interior [[Bureau of Reclamation]], [[Design of Small Dams]]."<ref name="NRCS650">[[National Engineering Handbook: Chapter 3 - Hydraulics|National Engineering Handbook, Part 650, Chapter 3 - Hydraulics, NRCS, 2021]]</ref> | “An additional type of weir is the ogee. The downstream section of an ogee crest is parabolic shaped to mimic the underneath side of the nappe jet passing over a sharp-crested weir. Ogee [[weirs]] are commonly found in large hydraulic structures where passing the design flow at minimum head is important. For more information on ogee crests, see U.S. Department of Interior [[Bureau of Reclamation]], [[Design of Small Dams]]."<ref name="NRCS650">[[National Engineering Handbook: Chapter 3 - Hydraulics|National Engineering Handbook, Part 650, Chapter 3 - Hydraulics, NRCS, 2021]]</ref> | ||
Latest revision as of 14:58, 25 July 2023
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| Dinham Weir, UK.
(Image Source: Richard Webb) |
“An additional type of weir is the ogee. The downstream section of an ogee crest is parabolic shaped to mimic the underneath side of the nappe jet passing over a sharp-crested weir. Ogee weirs are commonly found in large hydraulic structures where passing the design flow at minimum head is important. For more information on ogee crests, see U.S. Department of Interior Bureau of Reclamation, Design of Small Dams."[1]
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Revision ID: 7440
Revision Date: 07/25/2023