Laserfiche WebLink
<br />Table 111-1 .-Uniform [low in trapezoidal channels by Manning '5 formula. From Reference 111-3. <br /> <br />dlb1 Values of Qn 1b1 OC--7~:61 <br /> bBll S 1/2 <br /> Z ~b---1 z <br /> z=O z = 1/4 z:::I/2 z: 314 z::: 1 z = 1-1/4 z = 1-1/2 z::: 1.3/4 z:::2 Z"" 3 <br />.02 .00213 .00215 .00216 .00217 .00218 .00219 .00220 .00220 .00221 .00223 <br />.03 .00414 .00419 .00423 .00426 .00429 .00431 .00433 .00434 .00431 .00443 <br />.04 .00661 .00610 .00619 .00685 .00690 .00696 .00700 .00704 .00707 .00122 <br />.05 .00941 .00964 .00980 .00991 .0100 .0101 .0102 .0103 .0103 .0106 <br />.06 .0121 .0130 .0132 .0134 .0136 .0131 .0138 .0140 .0141 .0145 <br />.01 .0162 .0166 .0170 .0173 .0116 .0171 .0180 .0182 .0183 .0190 <br />.08 .0200 .0206 .0211 .0215 .0219 .0222 .0225 .0228 .0231 .0240 <br />.09 .0240 .0249 .0256 .0262 .0261 .0271 .0215 .0279 .0282 .0296 <br />.10 .0283 .0294 .0305 .0311 .0318 .0324 .0329 .0334 .0339 .0358 <br />.11 .0329 .0342 .0354 .0364 .0313 .0380 .0387 .0394 .0400 .0424 <br />.12 .0316 .0393 .0408 .0420 .0431 .0441 .0450 .0458 .0466 .0497 <br />.13 .0425 I .0446 0464 .0480 .0493 .0505 .0516 .0527 .0537 .0575 <br />.14 .0416 I .0501 .0524 .0542 .0559 .0573 .0581 .0599 .0612 .0659 <br />.15 .0528 .0559 .0585 .0608 .0628 .0645 .0662 .0671 .0692 .0149 <br />.16 .0582 .0619 .0650 .0616 .0699 .0720 .0740 .0759 .0116 .0845 <br />.11 .0638 .0680 .0117 ,0748 .0775 .0800 .0823 .0845 .0867 .0941 <br />.18 .0695 .0144 ~6 .0822 .0854 .0883 .0910 .0936 .0961 .105 <br />.19 .0753 .0809 . 1 .0900 .0936 .0970 .100 .103 .106 .117 <br />.20 .0813 .0875 .0932 .0979 .102 .106 .110 .113 .116 .129 <br />.21 .0873 .0944 .101 .106 .111 .115 .120 .123 .127 .142 <br />.22 .0935 .101 .109 .115 .120 .125 .130 .134 .139 .155 <br />.23 .0997 .109 .117 .124 .130 .135 .141 .146 .151 .169 <br />.24 .106 .116 .125 .133 .139 .146 .152 .157 .163 .184 <br />.25 .113 .124 .133 .142 .150 .157 .163 .170 .176 .199 <br />.26 .119 .131 .142 .152 .160 .168 .175 .182 .189 .215 <br />.21 .126 .139 .151 .162 .171 .180 .188 .195 .203 .232 <br />.28 .133 .147 .160 .172 .182 .192 .201 .209 .217 .249 <br />.29 .139 .155 .170 .182 .193 .204 .214 .223 .232 .267 <br />.30 .146 .163 .179 .193 .205 .217 .227 .238 .248 .286 <br />.31 .153 .112 .189 .204 .217 .230 .242 .253 .264 .306 <br />.32 .160 .180 .199 .215 .230 .243 .256 .269 .281 .327 <br />.33 .167 .189 .209 .227 .243 .257 .271 .285 .298 .348 <br />.34 .174 .HIS .219 .238 .256 .272 .281 .301 .315 .369 <br />.35 .181 .201 .230 .251 .270 .287 .303 .318 .334 .392 <br />.36 .190 .216 .241 .263 .283 .302 .319 .336 .353 .416 <br />.31 .196 .225 .251 .275 .297 .317 .336 .354 .372 .440 <br />.38 .203 .234 .263 .289 .311 .333 .354 .373 .392 .465 <br />.39 .210 .244 .274 .301 .326 .349 .371 .392 .412 .491 <br />.40 .218 .254 .286 .314 .341 .366 .389 .412 .433 .518 <br />.41 .225 .263 .291 .328 .357 .383 .408 .432 .455 .545 <br />.42 .233 .279 .310 .342 .373 .401 .427 .453 .418 .514 <br />A3 .241 .282 .321 .356 .389 .418 .441 .474 .501 .604 <br />.44 .249 .292 .334 .371 .405 .437 .467 .496 .524 .634 <br /> <br />'FOf" dlb I.. than 0.04. use of the assumption R - d il more convenient and more accurate than Interpolation in the table. <br /> <br />II 1-16 <br /> <br />e <br /> <br />" <br /> <br />e <br /> <br />. <br /> <br />. <br /> <br />e <br />