Cross-section
Arrow lengths are to scale. Force grows with the square of the depth.Design Bench
- Sliding FoS
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- Overturning FoS
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- Piping FoS
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- Water force
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- Material
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- Cost
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Budget —. These factors of safety are at normal pool — the flood will push them lower.
Flood Hydrograph
Set up a dam, then run the flood. Nothing is lost by failing — that is how you find out what the river was going to do anyway.