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Last modified
1/25/2010 6:23:58 PM
Creation date
10/4/2006 10:44:56 PM
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Template:
Floodplain Documents
County
Statewide
Community
State of Colorado
Stream Name
All
Basin
Statewide
Title
Hydraulic Design of Energy Dissipators for Culverts and Channels
Date
12/1/1975
Prepared For
USDOT
Prepared By
Federal Highway Administration
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />I e <br /> 1.00 <br /> 0.95 <br /> 0.90 <br /> 0.85 <br /> . 0.80 <br /> 0.75 <br /> 0.70 <br /> 0.65 <br /> 0.60 <br /> 0.55 <br /> Vo 0.50 <br /> - <br /> D <br /> e 0.45 <br /> 0.40 <br /> 0.35 <br /> 0.30 <br /> 0.25 <br /> 0.20 <br /> . <br /> 0.15 <br /> . 0.10 <br /> 0.05 <br /> 0 <br /> <br />e <br /> <br /> 1-- -'" / I / /1 <br />-- <br /> 6.0 .I' J <br />CID 2.5 = 5.5 ~-'" .."" /' I / I <br /> '-- ,. <br /> / ,. // <br /> ~... / <br /> 5.0 -- " I <br />-.... ",- ~, ,I <br /> '" 'A <br /> -.... .". / <br /> 4.5 <br />-- .- ,-' /11 <br /> 4.0 -'" .... ~ /j <br />-'"' .- ....- ~ <br /> 3.5 // 7 <br /> / <br /> 3.0 'A <br /> -- ,/ <br /> 2.5 <br /> .JA / I <br /> 2.0 <br /> /I <br /> / V / <br /> 1.0... /J - <br /> - ". / ( --~- <br /> () ~ <br /> ~ A Vo '/" r - <br /> / <br /> I CID 2.5 = 0 <br /> 1/ Yo = brink depth <br /> D = dia. of culvert <br /> TW"" tail water depth <br />I <br />/ <br /> <br />o 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 <br />TW/D <br /> <br />Figure 111-10 Dimensionless Rating Curve for the Outlets <br />of Circular Culverts on Horizontal and <br />Mild Slopes from Reference 111-2 <br /> <br />IIl-1S <br />
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