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SEDCAD+ ERODIBLE CHANNEL DESIGN <br />------------------------------- <br /> <br />DITCH D17B, NEW ELK, 10-YR 24-HR STORM <br />Limiting Velocity Technique <br />Sediment-laden Water <br />INPUT VALUES: <br />Shape TRIANGULAR <br />Discharge 5.84 cfs <br />Slope 4.35 $ <br />Sideslopes 2.50:1 (L) 2.50:1 (R) <br />Manning's n 0.030 <br />Max. Velocity 5.00 fps <br />Material GRADED LOAM - COBBLES NONCOLLOIDAL <br />Freeboard .3 ft <br />RESULTS: <br /> <br />Actual Discharge 5.85 cfs <br />Depth 0.69 ft <br />with Freeboard 0.99 ft <br />Top Width 3.47 ft <br />with Freeboard 4.97 ft <br />Velocity 4.87 fps <br />Cross Sectional Area 1.20 sq ft <br />Hydraulic Radius 0.32 ft <br />Froude Number 1.46 <br />• <br />