ASDSO Dam Safety Toolbox

Plunge Basin Examples: Difference between revisions

From ASDSO Dam Safety Toolbox
Jump to: navigation, search
No edit summary
No edit summary
Line 2: Line 2:


<gallery mode="slideshow">
<gallery mode="slideshow">
File:plunge basin.jpg|Unlined plunge basin (view is looking downstream). This basin has been allowed to scour over time.
File:plunge basin.jpg| link=  |Unlined plunge basin (view is looking downstream). This basin has been allowed to scour over time.
File:riprap plunge basin.jpg|A riprap-lined plunge basin.
File:concrete plunge basin.jpg|link=|Concrete-lined plunge basin with baffle wall, grouted riprap side slopes, and discharge channel. Flow discharges into the plunge basin from two 36-inch diameter fixed-cone valve.
File:concrete plunge basin.jpg|link=|Concrete-lined plunge basin with baffle wall, grouted riprap side slopes, and discharge channel. Flow discharges into the plunge basin from two 36-inch diameter fixed-cone valve.
File:typical plan.jpg|link=|Plan view of a typical lined plunge basin design.
File:typical plan.jpg|link=|Plan view of a typical lined plunge basin design.
</gallery>
</gallery>
[[File:riprap plunge basin.jpg]]

Revision as of 17:31, 6 June 2022

When the erosion anticipated downstream of the outlet works is minimal and/or manageable, a plunge basin (pool) is commonly used as the energy dissipator. Plunge basins may be lined or unlined. The discharge into the basin may come from a free outlet or from a valve. The following pictures are examples of plunge basins: