Difference between revisions of "HY8:Hook Basin"

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Variables from the figure               
Variables from the figure               


* W0 -- Outlet width
* W<sub>0</sub> -- Outlet width
* W1 -- Width at first hooks
* W<sub>1</sub> -- Width at first hooks
* W2 --  Distance between first hooks (row A)
* W<sub>2</sub> --  Distance between first hooks (row A)
* W3 -- lateral spacing between A and B hook
* W<sub>3</sub> -- lateral spacing between A and B hook
* W4 -- Width of hooks
* W<sub>4</sub> -- Width of hooks
* W5 -- Width of slot in end sill
* W<sub>5</sub> -- Width of slot in end sill
* W6 -- approximately channel width
* W<sub>6</sub> -- approximately channel width
* h4 -- Height of end sill
* h<sub>4</sub> -- Height of end sill
* h5 -- Height to top of end sill
* h<sub>5</sub> -- Height to top of end sill
* h6 -- Height to top of warped wingwall
* h<sub>6</sub> -- Height to top of warped wingwall
* ye -- Equivalent depth
* y<sub>e</sub> -- Equivalent depth
* L1 -- Distance to first hooks
* L<sub>1</sub> -- Distance to first hooks
* L2 -- Distance to second hooks (row B)
* L<sub>2</sub> -- Distance to second hooks (row B)
* LB -- Basin length
* L<sub>B</sub> -- Basin length


[[Image:HY8fig9-8hook%20(rev).jpg]]
[[Image:HY8fig9-8hook%20(rev).jpg]]
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* ß -- Angle of radius
* ß -- Angle of radius
* r -- radius
* r -- radius
* h1 -- height to center of radius
* h<sub>1</sub> -- height to center of radius
* h2 -- Height to point
* h<sub>2</sub> -- Height to point
* h3 -- Height to top of radius
* h<sub>3</sub> -- Height to top of radius
* ye -- Equivalent depth
* y<sub>e</sub> -- Equivalent depth




Line 51: Line 51:
Variables from the figure               
Variables from the figure               


* W0 -- Outlet width
* W<sub>0</sub> -- Outlet width
* W1 -- Width at first hooks
* W<sub>1</sub> -- Width at first hooks
* W2 --  Distance between first hooks (row A)
* W<sub>2</sub> --  Distance between first hooks (row A)
* W3 -- lateral spacing between A and B hook
* W<sub>3</sub> -- lateral spacing between A and B hook
* W4 -- Width of hooks
* W<sub>4</sub> -- Width of hooks
* W5 -- Width of slot in end sill
* W<sub>5</sub> -- Width of slot in end sill
* WB -- approximately channel width
* W<sub>B</sub> -- approximately channel width
* h4 -- Height of end sill
* h<sub>4</sub> -- Height of end sill
* h5 -- Height to top of end sill
* h<sub>5</sub> -- Height to top of end sill
* h6 -- Height to top of warped wingwall
* h<sub>6</sub> -- Height to top of warped wingwall
* ye -- Equivalent depth
* y<sub>e</sub> -- Equivalent depth
* L1 -- Distance to first hooks
* L<sub>1</sub> -- Distance to first hooks
* L2 -- Distance to second hooks (row B)
* L<sub>2</sub> -- Distance to second hooks (row B)
* LB -- Basin length
* L<sub>B</sub> -- Basin length
 
[[Image:HY8fig9-11%20hook%20trap%20(rev).jpg]]
[[Image:HY8fig9-11%20hook%20trap%20(rev).jpg]]


Line 72: Line 72:
* ß -- Angle of radius
* ß -- Angle of radius
* r -- radius
* r -- radius
* h1 -- height to center of radius
* h<sub>1</sub> -- height to center of radius
* h2 -- Height to point
* h<sub>2</sub> -- Height to point
* h3 -- Height to top of radius
* h<sub>3</sub> -- Height to top of radius




{{HY8Main}}
{{HY8Main}}

Revision as of 21:35, 16 December 2011

Hook Basin

The input variables required for this calculation is the following:

  • Shape of Dissipator -- The user can select 'Warped Wingwalls' or 'Trapezoidal'. See illustrations below for examples.
  • Flare Angle (Warped Wingwalls only)-- Flare angle per side of the basin.
  • Ratio of Length to A-hooks over Total Basin Length (Warped Wingwalls only)-- Distance from culvert exit to first row of hooks (A-HOOKS) divided by the total length of the basin.
  • Ratio of Width to A-hooks over Total Basin Length (Warped Wingwalls only)-- Distance between hooks in the first row divided by the basin width at the first row.
  • Ratio of Length to B-Hooks over Total Basin Length (Warped Wingwalls only)-- Distance from culvert exit to second row of hooks (B-HOOKS) divided by the total length of the basin.
  • Width for the Downstream End of the Basin (Warped Wingwalls only)
  • Basin Side Slope (Trapezoidal shape only) -- The user can select either '1.5 : 1' or '2 : 1'.
  • Basin Bottom Width (Trapezoidal shape only)


The next two figures show a hook basin with warped wingwalls:

HY8fig9-8b&w.jpg

Variables from the figure

  • W0 -- Outlet width
  • W1 -- Width at first hooks
  • W2 -- Distance between first hooks (row A)
  • W3 -- lateral spacing between A and B hook
  • W4 -- Width of hooks
  • W5 -- Width of slot in end sill
  • W6 -- approximately channel width
  • h4 -- Height of end sill
  • h5 -- Height to top of end sill
  • h6 -- Height to top of warped wingwall
  • ye -- Equivalent depth
  • L1 -- Distance to first hooks
  • L2 -- Distance to second hooks (row B)
  • LB -- Basin length

HY8fig9-8hook (rev).jpg

Variables from the figure

  • ß -- Angle of radius
  • r -- radius
  • h1 -- height to center of radius
  • h2 -- Height to point
  • h3 -- Height to top of radius
  • ye -- Equivalent depth


The next two figures show a hook basin with a uniform uniform trapezoidal channel:

HY8fig9-12hooktrap-hor (rev).jpg

Variables from the figure

  • W0 -- Outlet width
  • W1 -- Width at first hooks
  • W2 -- Distance between first hooks (row A)
  • W3 -- lateral spacing between A and B hook
  • W4 -- Width of hooks
  • W5 -- Width of slot in end sill
  • WB -- approximately channel width
  • h4 -- Height of end sill
  • h5 -- Height to top of end sill
  • h6 -- Height to top of warped wingwall
  • ye -- Equivalent depth
  • L1 -- Distance to first hooks
  • L2 -- Distance to second hooks (row B)
  • LB -- Basin length

HY8fig9-11 hook trap (rev).jpg

Variables from the figure

  • ß -- Angle of radius
  • r -- radius
  • h1 -- height to center of radius
  • h2 -- Height to point
  • h3 -- Height to top of radius