Erosion/Energy Dissipation

The terminal end of an outlet works must be designed to resist erosion. Should the decision be made to rehabilitate a dam, lack of consideration of erosion in the stilling basin could result in damage to a newly installed system.

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Types of Erosion

• Headcuts in stream can lead to failure
• Erosion that cuts into the toe of dam can cause embankment instability

Revision ID: 1279
Revision Date: 06/23/2022