20 



BULLETIN 854, U. S. DEPARTMENT OF AGRICULTURE. 



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

 5-INCH TILE— Continued. 



1 



Test No. 



2 



Depth 



of 

 flow. 



(rf) 



3 



d 

 D 



4 



Area 



of 

 flow. 



(a) 



5 



a 

 A 



6 



Hy- 

 draulic 

 radius. 



(R) 



7 



Dis- 

 charge. 



(Q) 



8 



Ve- 

 locity. 



(10 



9 



Slope. 



(«) 



10 



Kutter 

 coeffi- 

 cient. 



(71) 



11 



Chezy 

 coeffi- 

 cient. 



(H 



61 



Feet. 



0.314 

 .255 

 .221 

 .162 

 .119 



.406 

 .402 

 .350 

 .314 

 .273 

 .215 

 . 155 

 .116 



.411 

 .410 

 .348 

 .315 

 .279 

 .212 

 .164 

 .129 



.399 



.392 

 .352 

 .321 

 .273 

 .219 

 .165 

 .115 



.397 

 .377 

 .347 

 .298 

 .254 

 .220 

 .154 

 .118 



.387 

 .383 

 .325 

 .281 

 .249 

 .197 

 .142 

 .118 



.402 

 . 383 

 .326 

 .282 

 .252 

 .216 

 .154 

 .111 



.402 

 .386 

 .327 

 .294 

 . 264 

 .221 

 .173 

 .115 



.399 

 .394 

 .343 

 .319 

 .253 

 .209 

 .158 

 .118 



0.75 

 .61 

 .53 

 .39 



.28 



.97 

 .96 

 .83 

 .75 

 .65 

 .51 

 .37 

 .28 



.98 

 .98 

 .83 

 .75 

 .67 

 .51 

 .39 

 .31 



.95 

 .94 

 .84 

 .77 

 .65 

 .52 

 .39 

 .27 



.95 

 .90 

 .83 

 .71 

 .61 

 .52 

 .37 

 .28 



.92 

 .91 

 .78 

 .67 

 .59 

 .47 

 .34 

 .28 



.96 

 .91 

 .78 

 .67 

 .60 

 .52 

 .37 

 .26 



.96 

 .92 

 .78 

 .70 

 .63 

 .53 

 .41 

 .27 



.95 

 .94 

 .82 

 .76 

 .60 

 .50 

 .38 

 .28 



Sq.ft. 



0. 1109 

 .0879 

 .0738 

 .0492 

 .0323 



.1368 

 .1361 

 .1231 

 .1109 

 .0952 

 .0713 

 .0464 

 .0311 



.1374 

 .1373 

 . 1225 

 .1113 

 .0976 

 .0700 

 .0501 

 .0361 



.1356 

 .1343 

 .1238 

 .1134 

 .0952 

 .0730 

 .0505 

 .0308 



.1352 

 .1308 

 .1222 

 .1050 

 .0875 

 .0734 

 .0460 

 .0319 



.1332 

 .1323 

 .1148 

 .0984 

 . 0855 

 .0637 

 .0412 

 .0319 



.1361 

 .1323 

 .1152 



.0988 

 . 0807 

 .0717 

 .0460 

 . 0293 



. 1301 

 . 1330 

 . 1155 

 . 1034 

 .0916 

 . 0738 

 . 0538 

 .0308 



. 1356 

 .1347 

 .1209 

 .1127 

 .0871 

 .0688 

 .0476 

 .0319 



0.80 



.64 

 .54 

 .36 

 .23 



.99 

 .99 

 .89 

 .80 

 .69 

 .52 

 .34' 

 .23 



.99 

 .99 

 .89 

 .81 

 .71 

 .51 

 .36 

 .26 



.98 

 .97 

 .90 

 .82 

 .69 

 .53 

 .37 

 .22 



.98 

 .95 

 .89 

 .76 

 .63 

 .53 

 .33 

 .23 



.97 

 .96 

 .83 

 .71 

 .62 

 .46 

 .30 

 .23 



.99 

 .96 

 .83 

 .72 

 .63 

 .52 

 .33 

 .21 



.99 

 .96 

 .84 

 .75 

 .66 

 .53 

 .39 

 .22 



.98 

 .98 

 .88 

 .82 

 .63 

 .50 

 .35 

 .23 



Feet. 



0. 1265 



.1171 



.1083 



.0875 

 .0684 



.1172 



.1189 

 .1275 

 .1264 

 .1209 

 .1065 

 .0847 

 .0670 



.1146 

 .1152 

 .1275 

 .1265 

 .1220 

 .1056 

 .0883 

 .0732 



.1199 

 .1220 

 .1274 

 .1270 

 . 1209 

 .1077 

 .0887 

 .0665 



. 1205 

 . 1250 

 . 1275 

 .1247 

 .1169 

 .1080 

 .0842 

 .0680 



.1232 

 .1240 

 .1272 

 .1223 

 .1158 

 .1006 

 .0791 

 .0680 



.1189 

 .1240 

 .1273 

 . 1225 

 . 1165 

 .106* 

 .0812 

 .0646 



.1189 

 .1234 

 .1273 

 .1242 

 .1190 

 .1083 

 .0919 

 .0665 



.1199 

 .1215 

 . 1270 

 .1269 

 .1167 

 .1046 

 . 0859 



.01, Ml 



Cu.ft. 

 per see. 



0.0699 

 .0547 

 .0386 

 .0150 

 .0074 



.1415 

 .1366 

 .1230 

 .1065 

 .0824 

 .0532 

 .0231 

 .0165 



.1905 

 .1892 

 .1827 

 .1686 

 .1371 

 .0840 

 .0481 

 .0291 



.2408 

 .2370 

 .2208 

 .1998 

 .1566 

 .0987 

 .0544 

 .0231 



.3026 

 .3096 

 .2958 

 .2464 

 .1892 

 .1448 

 .0784 

 .0381 



.3573 

 . 3582 

 .3326 

 .2746 

 .2215 

 .1404 

 .0816 

 .0445 



.4009 

 .4051 

 . 37 10 

 . 3096 

 .2648 

 . 2096 

 . 1255 

 .0640 

 .4749 

 .4703 

 .4272 

 . 3862 

 .3392 

 .2624 

 . 1698 

 .0836 



.5415 

 . 5428 

 . 5066 

 .4738 

 . 3582 

 .2704 

 .1674 

 .0969 



Feet 

 per sec. 

 0.630 

 .623 

 .523 

 .305 

 .231 



1.035 

 1.003 

 .999 

 .960 

 .866 

 .746 

 .497 

 .531 



1.386 

 1.378 

 1.491 

 1.515 



1. 405 

 1.200 



.961 

 .807 



1.775 

 1.765 

 1.784 

 1.761 

 1.645 

 1.368 

 1.078 

 .751 



2.237 

 2.367 

 2.421 

 2.347 

 2.162 

 1.973 

 1.705 

 1.194 



2.682 

 2. 708 

 2.896 

 2.790 



2. 592 

 2.203 

 1.981 

 1.396 



2.915 



3. 063 

 3.247 

 3. 135 

 3. 055 

 2. 923 

 2. 730 

 2.185 

 3. ISS 

 3. 537 

 3.698 

 3.734 

 3.704 

 3. 556 

 3.158 

 2.718 



3.993 

 4.030 

 4.190 

 4. 203 

 4.113 

 3. 932 

 3. 516 

 3.041 



0. 0005 

 .0005 

 .0005 

 . 0005 

 .0005 



.0010 

 .0010 

 .0010 

 .0010 

 .0010 

 .0010 

 .0010 

 .0010 



.0020 

 .0020 

 .0020 

 .0020 

 .0020 

 .0020 

 .0020 

 .0020 



.0030 

 .0030 

 .0030 

 .0030 

 .0030 

 .0030 

 .0030 

 .0030 



. 0050 

 .0050 

 . 0050 

 . 0050 

 . 0050 

 .0050 

 . 0050 

 .0050 



.0075 

 . 0075 

 . 0075 

 .0075 

 . 0075 

 . 0075 

 . 0075 

 .0075 



.0100 

 .0100 

 .0100 

 . 0100 

 .0100 

 .0100 

 .0100 

 .0100 



.0125 

 .0125 

 .0125 

 . 0125 

 .0125 

 .0125 

 .0125 

 .0125 



.0150 

 .0150 

 .0150 

 .0150 

 . 0150 

 .0150 

 .0150 

 .0150 



0.0116 

 .0113 

 .0122 

 .0157 

 .0165 



.0102 

 .0105 

 .0110 

 .0112 

 .0118 

 .0122 

 .0142 

 .0119 



.0105 

 .0106 

 .0106 

 .0105 

 .0108 

 .0112 

 .0118 

 .0120 



. 0105 

 .0106 

 .0108 

 .0109 

 .0111 

 .0119 

 .0126 

 .0137 



.0107 

 .0106 

 . 0105 

 .0106 

 .0109 

 .0111 

 .0107 

 .0121 



.0111 

 .0110 

 .0107 

 .0107 

 .0110 

 .0114 

 .0108 

 .0126 



.0113 

 .0112 

 .0109 

 .0110 

 .0109 

 . 0107 

 .0098 

 .0098 



.0108 

 . 0109 

 .0107 

 .0105 

 .0103 

 . 0101 

 .0100 

 .0092 



.0105 

 .0105 

 .0105 

 .0104 

 .0102 

 .0099 

 .0095 

 . 0093 



79 3 



62 



81.3 



63 



71.1 



64 



46 2 



65 



39 4 



66 i 



95.6 



67 « 



92 



68 



88.5 



69 



85.4 



70 



78.7 



71 



72.3 



72 



54 



73 



64.9 



74 i 



91.6 



75 ' 



90.8 



76 



93.4 



77 



95 3 



78 



90.0 



79 



82 6 



80 



72 3 



81 



66.7 



82 i 



93.6 



83 ' 



92 3 



84 



91.3 



85 



90.3 



86 



86.4 



87 



76.4 



88 



66.1 



89 



53.1 



90 ' 



91.1 



91 



94.7 



92 



95.9 



93 



94.0 



94 



89.4 



95 



81.9 



96 



83.1 



97 



64.8 



98 i 



88.2 



99 i 



88.8 



100 



93.7 



101 



92.1 



102 



88.0 



103 



80.2 



104 



81.4 



105 



61.8 



106' 



85. 4 



107 ' 



87.0 



108 



91 



109 



89.6 



110 



S9.5 



Ill 



89.4 



112 



94.1 



113 



86.0 



ill' 



90.5 



115' 



90.1 



116 



92.7 



117 



94.7 



118 



96.0 



119 



96.7 



120 



93.2 



121 



94.3 



122. •' 



12 1 



94.2 

 94.4 

 95.8 



125 



96.4 



126 



98.3 



127 



99.3 



128 



iaa_ 



98.0 

 95.2 



1 These tests used in deriving formulae 27 an d 29. 



