Flood Overtopping Failure of Dams
Flood Overtopping Failure of Dams
Flood Overtopping Failure of Dams
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Embankment Dam <strong>Overtopping</strong> –<br />
<strong>Failure</strong> Probability Factors<br />
• Depth and duration <strong>of</strong> overtopping<br />
• Camber or low spots on dam crest may<br />
concentrate overtopping flows<br />
• Flow may concentrate along groins or at toe<br />
• Downstream zoning/slope protection<br />
• Dam crest materials, paving<br />
• Wave set-up and run-up<br />
• Potential for failure <strong>of</strong> parapet walls<br />
• Discontinuities on crest or downstream face that<br />
could initiate erosion / headcutting<br />
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