ASDSO Dam Safety Toolbox

Headwalls/endwalls

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Headwalls/endwalls located at or close to the end of the discharge conduit provide support and reduce the potential for undermining. Headwalls/endwalls are typically made of concrete and should be founded on bedrock or have an adequate foundation footing to provide support for stability. A headwall/endwall can experience undermining and become displaced if not adequately designed. Displacement of the headwall/endwall can lead to separation from the conduit at the joints which could affect the structural integrity of the conduit itself.[1]


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Revision ID: 4799
Revision Date: 12/02/2022