ASDSO Dam Safety Toolbox

Impact Basins

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Concrete impact basins are energy dissipating devices located at the outlet of the spillway in which flow from the discharge conduit strikes a vertical hanging baffle. Energy dissipation occurs as the discharge strikes the baffle; thus, performance is not dependent on tailwater elevation. Most impact basins were designed by the NRCS and the USBR. [1]

Examples

See examples of energy dissipation using impact basins


Citations:

  1. ↑ ASDSO, 2022


Revision ID: 4804
Revision Date: 12/02/2022

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