ASDSO Dam Safety Toolbox

Hydraulic Jump Stilling Basin Examples

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Message: Examples of Hydraulic Jump Stilling Basins.


Energy dissipation in a Hydraulic Jump Stilling Basin is accomplished by forcing a hydraulic jump in the basin structure.

  • Example of a Hydraulic Jump in a stilling basin. (Image courtesy www.engr.colostate.edu)

    Example of a Hydraulic Jump in a stilling basin. (Image courtesy www.engr.colostate.edu)

  • Type II stilling basin with counterforted walls. The basin has been unwatered for repairs.

    Type II stilling basin with counterforted walls. The basin has been unwatered for repairs.

  • Wingwalls oriented normal to the basin side walls.

    Wingwalls oriented normal to the basin side walls.

  • Type I Stilling Basin. Note: Chute Blocks, Baffle Blocks, End Sill.

    Type I Stilling Basin. Note: Chute Blocks, Baffle Blocks, End Sill.

  • Type II Stilling Basin.

    Type II Stilling Basin.

  • Type III Stilling Basin.

    Type III Stilling Basin.

  • Type IV Stilling Basin.

    Type IV Stilling Basin.

  • A hydraulic jump in a 1:48-scale model of a Type V still basin for a spillway.

    A hydraulic jump in a 1:48-scale model of a Type V still basin for a spillway.

  • A photo taken from downstream of a SAF Stilling Basin.

    A photo taken from downstream of a SAF Stilling Basin.


Note: The content on this page was originally created as part of DamOutletWorks.org (DOWL, 2018). It has subsequently been updated and reformatted as part of the Dam Safety Toolbox.
Revision ID: 3211
Revision Date: 09/15/2022

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