24 



BULLETIN 854, U. S. DEPARTMENT OF AGRICULTURE. 



Table 3. — Elements of experiments for clay tile — Continued. 

 10-INCH TILE— Continued. 



Test No. 



Depth 



of 

 flow . 



307 1 

 308 > 

 309.. 

 310. 

 311.. 

 312. 

 313. 

 314. 

 315.. 

 316.. 

 317.. 

 318.. 

 319. 

 320.. 



3211 

 322.. 

 323.. 

 324.. 

 325.. 

 326. 

 327. 

 328. 

 329. 

 330. . 

 331. 



332.. 

 333.. 

 334. 

 335. 

 336. 

 337. 

 338.. 



Feet. 



.809 

 .795 

 .744 

 .741 

 .708 

 .705 

 .676 

 .642 

 .577 

 . 545 

 .489 

 .414 

 .299 

 .212 



.819 

 .752 

 .697 

 .657 

 .636 

 .563 

 .528 

 .461 

 .418 

 .308 

 .208 



.618 

 .557 

 .526 

 .457 

 .392 

 .300 

 .215 



0.97 

 .95 

 .89 

 .89 

 .85 

 .84 

 .81 

 .77 

 .69 

 .65 

 .59 

 .50 

 .36 

 .25 



.98 

 .90 

 .83 

 .79 

 .76 

 .67 

 .63 

 .55 

 .50 

 .37 

 .25 



.74 

 .67 

 .63 

 .55 

 .47 

 .36 

 .26 



Area 

 Of 



flow. 



(«) 



Sq.ft. 



0. 5435 

 .5389 

 .5161 

 . 5145 

 .4957 

 .4939 

 .4755 

 .4523 

 .4041 

 .3790 

 . 3335 

 .2711 

 .1764 

 .1095 



.5462 

 .5202 

 .4890 

 .4628 

 .4480 

 .3932 

 .3653 

 .3104 

 .2745 

 . 1836 

 .1066 



.4350 

 .3885 

 .3637 

 .3070 

 .2527 

 .1772 

 .1117 



.94 

 .94 

 .90 



.90 

 .87 

 .82 

 .74 

 .69 

 .61 

 .49 

 .32 

 .20 



.99 

 .95 

 .89 

 .84 

 .82 

 .72 

 .67 

 .57 

 .50 

 .34 

 .19 



.79 

 .71 

 .66 

 .56 

 .46 

 .32 

 .20 



Hy- 

 draulic 

 radius. 



(22) 



Feet. 

 0. 233S 

 .2391 

 . 2505 

 .2508 

 .2537 

 .2538 

 . 2545 

 .2534 

 .2466 

 .2411 

 .2291 

 .2077 

 .1645 

 .1241 



.2288 

 .2492 

 .2541 

 .2541 

 .2529 

 .2444 

 .2376 

 .2218 

 .2090 

 .1683 

 .1221 



.2512 



.2433 

 . 2372 

 . 220i) 

 .2003 

 .1650 

 .1256 



»Dis- 



charge. 



(Q) 



Cu.ft. 

 per sec. 

 2.7715 

 2. 7645 

 2. 7070 

 2. 7505 

 2. 6695 

 2. 6485 

 2. 5980 

 2. 5050 

 2. 1960 

 2. 0075 

 1. 7325 

 1.2920 

 .7270 

 .3831 



3. 1220 

 3. 0380 

 2. 9750 

 2. 8430 

 2.7715 

 2. 4030 

 2. 2080 

 1. 7950 

 1. 5120 

 .8804 

 .4303 



2.8580 

 2.5380 

 2. 3670 

 1.8480 

 1.4120 

 .8854 

 .4462 



Ve- 

 locity, 



en 



Fret 

 per sec. 

 5. 099 

 5. 130 

 5.245 

 5.347 

 5.385 

 5.363 

 5.464 

 5. 538 

 5. 435 

 5.297 

 5.196 

 4.766 

 4.122 

 3.498 



5.717 

 5.841 

 6.085 

 6.144 

 6.187 

 6.112 

 6.045 

 5.784 

 5.509 

 4.796 

 4.038 



6.569 

 6.533 

 6.509 

 6.018 

 5.587 

 4.997 

 3. 995 



Slope. 



(s) 



0.0100 

 .0075 

 .0100 

 .0100 

 .0100 

 .0100 

 .0100 

 .0100 

 .0100 

 . 0100 

 .0100 

 .0100 

 .0100 

 .0100 



.0125 

 . 0125 

 .0125 

 .0125 

 . 0125 

 .0125 

 .0125 

 .0125 

 .0125 

 . 0125 

 .0125 



.0150 

 .0150 

 . 0150 

 . 0150 

 .0150 

 . 0150 

 .0150 



Kutter 

 coeffi- 

 cient. 



(") 



0.0110 

 .0111 

 .0112 

 .0111 

 .0111 

 .0111 

 .0110 

 . 0108 

 .0108 

 . 0109 

 .0107 

 .0108 

 .0106 

 .0102 



.0109 

 .0112 

 .0110 

 .0109 

 .0109 

 .0107 

 . 0106 

 . 0106 

 .0106 

 .0104 

 .0099 



.0110 

 .0109 

 .010S 

 .0110 

 .0110 

 .0107 

 .0108 



12-INC H TILE. 



339'. 

 3401. 

 341.. 

 342.. 

 343.. 

 344.. 

 345. . 

 346.. 

 347.. 

 348.. 

 349.. 

 350.. 



351'. 

 352.. 

 353.. 

 354.. 

 355.. 

 356.. 

 357». 

 358- 



360- 



361 . . 



3621. 

 363- 

 364- 



365 . . 

 366.. 

 367.. 

 368- 

 369- 

 370.. 

 371 . . 

 372.. 



0.9S6 



1.00 



0.7631 



1.00 



0. 2464 



0. 8972 



1.176 



0. 000.5 



0.0108 



. S96 



.91 



. 7286 



.96 



.2922 



.9006 



1236 



.0005 



.0115 



.856 



.87 



.7037 



.92 



.2975 



.8540 



1.214 



. 0005 



.0118 



.803 



.81 



.6657 



.87 



.3000 



.8380 



1.259 



. 0005 



.0115 



.754 



.76 



.6263 



.82 



. 2985 



.7360 



1.175 



.0005 



.0121 



.694 



.70 



.57-13 



.75 



.2924 



.6762 



1-178 



. 0005 



.0120 



.650 



.66 



.5338 



.70 



. 2857 



.6496 



1.217 



.0005 



.0115 



. 592 



.60 



.4786 



. 63 



.2738 



.5390 



1.126 



.0005 



.0119 



. 558 



.57 



. 4456 



.58 



. 2654 



.5006 



1.124 



.0005 



.0117 



. 502 



• 51 



.3906 



.51 



. 2493 



.4261 



1.091 



.0005 



.0115 



.412 



.42 



.3022 



.40 



.2181 



. 275 1 



.911 



.0005 



.0122 



.306 



.31 



.2019 



.27 



.1732 



.1518 



.752 



.0005 



.0124 



.931 



.95 



.7464 



.98 



.2841 



1.4350 



1.923 



.0010 



.0107 



.846 



.S6 



.6970 



.91 



.2984 



1.3430 



1.92? 



.0010 



.0109 



.791 



.81 



. 6587 



.86 



. 2999 



] . 2660 



1 922 



.0010 



.0110 



.730 



.74 



. 60C0 



.79 



. 2964 



1 1320 



1 868 



.0010 



.0111 



.697 



.71 



. 5769 



.76 



.2927 



1 0501 1 



1 820 



.0010 



.0113 



.646 



. 66 



.5300 



.70 



. 2850 



.9516 



1 795 



.0010 



.0112 



601 



.61 



.4873 



.64 



. 2756 



. 8508 



1.746 



.0010 



.0112 



555 



. 56 



. 1 127 



.58 



.2646 



.7360 



1 663 



.0010 



.0114 



501 



.51 



.3896 



.51 



. 2490 



.6170 



1 . 58 1 



.0010 



.0115 



,390 



. 10 



.2809 



.37 



. 2094 



.3730 



1 328 



.0010 



.0118 



.296 



.30 



.1928 



.25 



.1686 



.2026 



1051 



.0010 



.0124 



.974 



.99 



.7614 



.99 



.2640 



1.9080 



2 506 



.00:0 



.0109 



. 853 



.87 



.7017 



.92 



.2978 



1.7200 



2 451 



.0020 



.0120 



. 807 



.82 



. 6687 



.88 



.3000 



1.690H 



2.527 



.0050 



.0117 



.761 



.78 



.6316 



. 83 



. 2991 



1.555D 



2. 450 



.0020 



.0120 



.701 



.71 



. 5X05 



.76 



.2932 



1.39(H) 



2.394 



. 0020 



.0121 



.646 



.66 



.5300 



.70 



.2850 



] 1960 



2 256 



.0020 



.0124 



. 590 



.60 



.4767 



. 63 



. 2733 



10160 



2.133 



. 0020 



.0127 





.56 



. 1368 



.57 



.2630 



.8904 



2 038 



. 0020 



.0128 



.504 



.51 



.3925 



.51 



.2489 



.71511 



1 898 



.0020 



.0131 



. 106 



.41 



.2964 



.39 



.2157 



. 1657 



1 571 



.0020 



.0110 



. 298 



.30 



.1917 



.26 



.1695 



.2340 



1.202 



.0020 



.011S 



' These tesl 1 u ;ed in deriving formulas 27 and 29. 



