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FLOOD02273
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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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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 />e <br /> <br />. <br /> <br />. <br /> <br />e <br /> <br />. <br /> <br />. <br /> <br />e <br /> <br />Table II 1-2.-Uniformj10w in circular sections flowing partly full. From Reference 111-3. <br /> <br />d . depth of flow a = discharge in cubIc feet per second by Manning's formula <br />0 . diameter of pipe n . Manning's coefficient <br />A . area of flow 5 . slope of the channel bottom and of the water surface <br />R . hydraulic radius <br /> d A R On On d A R On On <br /> D 02 D 081"s1l2 J'I"s 112 D 02 0 08/351/2 .1'135112 <br /> 0.01 0.0013 0.0066 0.00007 15.1)4 0.51 0.4027 0.2531 0.239 1.442 <br /> 0.02 0.0031 0.0132 0.00031 10.57 0.52 0.4127 0.2562 0.247 1.415 <br /> 0.03 0.0069 0.0197 0.00074 8.58 0.53 0.4227 0.2592 0.255 1.388 <br /> 0.04 0.Q105 0.0262 0.00138 7.38 0.54 0.4327 0.2621 0.263 1.362 <br /> 0.06 0.0147 0.0325 0.00222 6.55 0.55 0.4426 0.2649 0.271 1.336 <br /> 0.06 0.0192 0.0389 0.00328 5.95 0.56 0.4526 0.2676 0.279 1..311 <br /> 0.07 0.0242 0.0451 0.00455 5.47 0.57 OA625 0.2703 0.287 1.286 <br /> 0.08 0.0294 0.0513 0.00604 5.09 0.58 0.4724 0.2728 0.295 1.262 <br /> 0.09 0.0350 0.0515 0.00775 4.76 0.59 0.4822 0.2753 0.303 1.238 I <br /> 0.10 0.0409 0.0635 0.00967 4.49 0.60 0.4920 0.2776 0.311 1.215 <br /> 0.11 0.0470 0.0695 0.01181 4.25 0.61 0.5018 0.2799 0.319 1.192 <br /> 0.12 0.0534 0.0755 0.01417 4.1)4 0.62 0.5115 0.2821 0.327 1.170 <br /> 0.13 0.0600 0.0813 0.01674 3.86 0.63 0.5212 0.2842 0.335 1.148 <br /> 0.14 0.0668 0.0871 0.01952 3.69 0.64 0.5308 0.2862 0.343 1.126 <br /> 0.15 0.0739 0.0929 0.0225 3.54 0.65 0.5404 0.2882 0.350 1.105 <br /> 0.16 0.0811 0.0985 0.0257 3.41 0.66 0.5499 0.2900 0.358 1.OIl4 <br /> 0.17 0.0885 0.1042 0.0291 3.28 0.67 0.5594 0.2917 0.366 1.064 <br /> 0.18 0.0961 0.1097 0.0327 3.17 0.58 0.5687 0.2933 0.373 1.044 <br /> 0.19 0.1039 0.1152 0.0365 3.06 0.69 0.5780 0.2948 0.380 1.024 <br /> 0.20 0.1118 0.1206 0.0406 2.96 0.70 0.5872 0.2962 0.388 1.004 <br /> 0.21 0.1199 0.1259 0.0448 2.87 0.71 0.5964 0.2975 0.395 0.985 <br /> 0.22 0.1281 0.1312 0.0492 2.79 0.72 0.6054 0.2987 0.402 0.965 \ <br /> 0.23 0.1365 0.1364 0.0537 2.71 0.73 0.6143 0.2998 0.409 0.947 <br /> 0.24 0.1449 0.1416 0.0585 2.63 0.74 0.6231 0.3008 0.416 0.928 <br /> 0.25 0.1535 0.1466 0.0634 2.56 0.75 0.6319 0.3017 0.422 0.910 <br /> 0.26 0.1623 0.1516 0.0686 2.49 0.16 0.6405 0.3024 0.429 0.891 \ <br /> 0.27 0.1711 0.1566 0.0739 2.42 0.77 0.6489 0.3031 0.435 0.873 <br /> 0.28 0.1800 0.1614 0.0793 2.36 0.78 0.6573 0.3036 0.441 0.858 <br /> 0.29 0.1890 0.1662 0.0849 2.30 0.79 0.6655 0.3039 0.447 0.838 <br /> 0.30 0.1982 0.1709 0.0907 2.25 0.80 0.6736 0.3042 0.453 0.821 <br /> 0.31 0.2074 0.1756 0.0966 2.20 0.81 0.6815 0.:3043 0.458 0.804 <br /> 0.32. 0.2167 0.1802 0.1027 2.14 0.82 0.6893 0.3043 0.463 0.787 <br /> 0.33 0.2260 0.1847 0.1089 2.09 0.83 0.6969 0.3041 0.468 0.770 <br /> 0.:>4 0.2355 0.1891 0.1153 2.05 0.84 0.7043 0.3038 0.473 0.753 <br /> 0.35 0.2450 0.1935 0.1218 2.00 0.85 0.7115 0.3033 0.477 0.736 <br /> 0.36 0.2546 0.1978 0.1284 1.958 0.86 0.7186 0.3026 0.481 0.720 <br /> 0.37 0.2642 0.2020 0.1351 1.915 0.87 0.7254 0.3018 0.485 0.703 <br /> 0.36 0.2739 0.2062 0.1420 1.875 0.88 0.7320 0.3007 0.488 0.687 <br /> 0.39 0.2836 0.2102 0.1490 1.835 0.89 0.7~ 0.2995 0.491 0.670 <br /> 0.40 0.2934 0.2142 0.1561 1.797 0.90 0.7445 0.2980 0.494 0.654 <br /> 0.41 0.3032 0.2182 0.1633 1.760 0.91 0.7504 0.2963 0.496 0.637 <br /> 0.42 0.3130 0.2220 0.1705 1.724 0.92 0.7560 0.2944 0.497 0.621 <br /> 0.43 0.3229 0.2258 0.1779 1.689 0.93 0.7612 0.2921 0.498 0.604 <br /> 0." 0.3328 0.2295 0.1854 1.665 0.94 0.7662 0.2895 0.498 0.588 <br /> 0.45 0.3428 0.2331 0.1929 1.622 0.95 0.7707 0.2!l65 0.498 0.571 <br /> 0.46 0.3527 0.2366 0.201 1.590 0.96 0.7749 0.2829 0.496 0.553 <br /> 0.47 0.3627 0.2401 0.208 1.559 0.97 0.7785 0.2787 0.494 0.535 <br /> 0..8 0.3727 0.2435 0.216 1.530 0.98 0.7817 0.2135 0.489 0.517 <br /> 0.49 0.3827 0.2468 0.224 1.500 0.99 0.7841 0.2666 0.483 0.496 <br /> 0.50 0.3927 0.2500 0.232 1.471 1.00 Q.7854 0.2500 0.463 0.463 <br /> <br />III-19 <br />
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