HY8:Saint Anthony Falls (SAF Stilling Basin)

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The input variables required for this calculation is the following:

  • Shape (Flared or Rectangular)
  • Sidewall Flare — This will only apply if the basin has a flared shape


The following figure shows a Saint Anthony Falls stilling basin.

HY8image14.jpg

Variables from the figure

  • WB — Basin width
  • WB2 — Basin width at the baffle row
  • WB3 — Basin width at the sill
  • Y1 — height of the chute blocks
  • LB — Length of the basin
  • Z -- basin flare

HY8image15.jpg

Variables from the figure

  • Y1 — height of the chute blocks
  • Y2 — Conjugate height
  • Y3 — height of the chute blocks
  • z1 — elevation of basin floor


v • e
HY-8
Introduction:Getting Started   •   Layout   •   Vena Contracta   •   Building a Project   •   Locate Project   •   Culvert Crossing Data   •   Run Analysis   •   Report Generation
Crossing and Culvert Data:Crossings   •   Discharge Data   •   Roadway Data   •   Tailwater Data   •   Irregular Channel   •   Culvert Data   •   Site Data   •   Culvert Invert Data   •   Embankment Toe Data
AnalysisProject Units   •   Roadway Overtopping   •   Inlet Control Computations   •   Outlet Control Computations   •   Tables and Plots
Energy DissipationScour Hole Geometry   •   Increased Resistance   •   Tumbling Flow   •   USBR Type IX Baffled Apron   •   Drop Structures   •   Stilling Basins   •   Streambed Level Structures
MethodsAquatic Organism Passage   •   Low Flow Hydraulics
TroubleshootingDifferences from DOS HY-8   •   Limitations   •   HY-8 User Manual
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