Headcuts in stream can lead to failure: Difference between revisions
From ASDSO Dam Safety Toolbox
(Created page with "<div style= "text-align:center;">''Message: Address headcuts quickly''</div> ----</br> A headcut formed downstream of this Montana Dam. The outlet was relocated to the opposite side of the dam, away from the original channel. The discharge from the dam was forced to travel down a new channel, most likely causing the headcut. The dam could have been protected using a grade-control structure, which would have stopped the headcut from progressing. <gallery mode="slideshow...") |
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Revision as of 16:20, 23 June 2022
Message: Address headcuts quickly
A headcut formed downstream of this Montana Dam. The outlet was relocated to the opposite side of the dam, away from the original channel. The discharge from the dam was forced to travel down a new channel, most likely causing the headcut. The dam could have been protected using a grade-control structure, which would have stopped the headcut from progressing.
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This Montana dam had a large headcut progress to the dam. Photo taken in 2009.
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By 2012, the headcut had progressed far enough to erode most of the embankment.
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Water discharging from the CMP outlet conduit.
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The dam had completely breached in 2014.
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1996 (Dam and downstream channel)
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2005
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2006
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2009
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2011
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2014
Revision ID: 1254
Revision Date: 06/23/2022