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SEDCAD 4 for Windows <br />r,.....;,.~.~ goon _~nm a~,.ei~ i c~n,..,n <br />Structure Detai/; <br />Structure #6 (Erodible Channel) <br />DITCHJ2 <br />Triangular Erodible Channel Inputs: <br />Material: Shales and hardpans <br />Left <br />Right - - - ~ - Freeboard - -Freetx>ard Freeboard ljmiting <br />_ <br />Sideslope Sideslope Slope (%) Manning's n - - - ~ Mult. x - Velodty <br />-- Ratio Ratio - - - Depth (ft) % of Depth _(Vx~)_ _ _ (fps) - - <br />1.5:1 1.5:1 3.5 0.0250 0.30 6.0 <br />Erodible Channel Results: <br />- w/o Freeboard _ __w/ Freeboard <br />Design Discharge: 3.68 ds <br />Depth: 0.71 ft 1.01 R <br />Top Width: 2.12 ft 3.02 ft <br />Velotlty: 4.93 fps <br />X-Section Area: 0.75 sq ft <br />Flydraulic Radius: 0.294 ft <br />Froude Number: 1.46 <br /> <br />Filename: P~I~~.sc4 EXh-8-180XiV PdSni~OS07-2007 <br />AfPRov~/ 11 <br />~/3~0~ <br />