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<br />I <br />I <br />I A <br /> ~ <br />I B <br />bl <br />I b2 <br />b, <br />B <br />I C <br />Cd <br />I Cp'""" <br />Cp <br />I Cw <br /> Db <br />I Dg <br />Do <br />I D, <br />d, <br /> d2 <br />I d50 <br />D <br />I EGLm <br />EGL. <br /> El, <br />I Elm <br />E~ <br />I F <br />Fn <br /> F <br /> , <br />I F <br />) <br />Fm <br />I F. <br />I <br />I <br />I <br /> <br />APPENDIX E <br />CORRECTED DEFINITION OF SYMBOLS <br /> <br />Area (subscripts as shown in figures) <br />Total projected area of piers normal to flow in square feet <br />Basin depth below downstream channel <br />Channel base width upstream and downstream of drop <br />Channel base width at the drop crest section <br />Trickle channel width <br />Basin depth below downstream channel <br />Coefficient relating to superelevation of water surface that occurs at a bend <br />Drag force coefficient <br />Coefficient of maximum pressure fluctuationns from mean pressures level in <br />a hydraulic jump, <br />Coefficient of mean pressure fluctuations from mean pressure levels in a <br />hydraulic jump <br />Lane's weighted creep ratio <br />Bedding layer thickness <br />Grout depth <br />Drop number <br />Rock depth <br />Depth of scour below drop of outfall <br />Depth of basin tailwater = Y2 + B <br />Mean diameter of particle (stone) <br />Height of fall to basin = Hd + B <br />Energy grade line along main portion of drop <br />Energy grade line along trickle channel through a drop <br />Water surface elevation of critical depth at the crest of a drop <br />Elevation of crest of a drop at main channel invert <br />Elevation of crest of a drop at trickle channel invert <br />Specific force <br />Drag Force (for projecting boulder) <br />Impact force <br />Impact force of flow jet <br />Momentum force <br />Shields parameter <br />