Bui. B54, u. s. Dept. of Agriculture. 



Pig.l.' Clay Tile Analytical Method usingSelectedTests 



Velocities Jn Feet per Second 

 B K .7-6 .9 10 1.5 20 2.5 3.0 4.0 50 60 7 08030 



Fig.2. Clay Tile Graphical Method usingSelectedTests 



Velocities in Feet pec-Second- 

 .5 .6 7'.8.9I0 1.5 2.0 2.5 3.O.. ,4.0 « 5.0 ,6.0 70 



Fig.3. Cray Tile Flowing Full 



Velocities in Feet per Second 

 6 ,7 B .9 1.0 1.5 2.0 2.5 3.0 4.0 5.0 6.0 7.0 1 



" ' ET~ 



Plate XI. 



Fig.4. Clay Tile Flowing .9 Depth 



{Velocities in Feet per Second 



- .2.0 2 .5 3.0 4.0 5.0 6,0 7.0 8.0 5.ff. 



Fig.5. ClayTile Flow'mg.80epth Fig.6. Cla/Tile Flowing .7 Depth 



Velocities in Feet per Second Velocities in Feet per Second 



.5 .6 .7 .8 9 10 15 20 2h 30 d.0 5.0 6.0 7.0 8.0 9.0 .5 .6 7 .8 3 1.0 15 20 2.5 3.0 40 5 6.0 7.0 8090 



Fig.7. ClayTile Flowing .6 Depth 



Velocities in Feet pen Second 



5 .6 .7 .8 .9 1.0 1.5 2.0 2.5 30 4.0 SO 6.0 70 8.0 9.0 



Fig.8. ClayTile Flowing .5 Depth 



Velocities in Feet per Second 



2.0 2.5 3.0 4.0 5.0 60 70 6 



Curves Used i 



: for Clay Tile. 



