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Riprap_155_2 <br /> Lyons Quarry Riprap Sizing <br /> PROGRAM OUTPUT FOR A NATURAL CHANNEL SIDE SLOPE RIPRAP, BENDWAY <br /> INPUT PARAMETERS <br /> SPECIFIC WEIGHT OF STONE,PCF 155.0 <br /> MINIMUM CENTER LINE BEND RADIUS,FT 850.0 <br /> WATER SURFACE WIDTH,FT 39.0 <br /> LOCAL FLOW DEPTH,FT 9.8 <br /> CHANNEL SIDE SLOPE,1 VER: 2.00 HORZ <br /> AVERAGE CHANNEL VELOCITY,FPS 13.11 <br /> COMPUTED LOCAL DEPTH AVG VEL,FPS 13.69 <br /> (LOCAL VELOCITY)/(AVG CHANNEL VEL) 1.04 <br /> SIDE SLOPE CORRECTION FACTOR K1 0.88 <br /> CORRECTION FOR VELOCITY PROFILE IN BEND 1.02 <br /> RIPRAP DESIGN SAFETY FACTOR 1.50 <br /> SELECTED STABLE GRADATIONS <br /> ETL GRADATION <br /> NAME COMPUTED D30(MIN) D100(MAX) D85/D15 N=THICKNESS/ CT THICKNESS <br /> D30 FT FT IN D100(MAX) IN <br /> 9 1.34 33.00 1.70 NOT STABLE <br /> 10 1.46 1.46 36.00 1.70 1.68 0.87 60.5 <br /> 11 1.68 1.70 42.00 1.70 1.00 1.00 42.0 <br /> D100(MAX) LIMITS OF STONE WEIGHT,LB D30(MIN) D90(MIN) <br /> IN FOR PERCENT LIGHTER BY WEIGHT FT FT <br /> 36.00 2191 100 877 649 50 438 324 15137 1.46 2.11 <br /> 42.00 3480 1392 1030 696 515 217 1.70 2.47 <br /> EQUIVALENT SPHERICAL DIAMETERS IN INCHES <br /> D100(MAX) D100(MIN) D50(MAX) D50(MIN) D15(MAX) D15(MIN) <br /> 36.0 26.5 24.0 21.1 19.0 14.3 <br /> 42.0 30.9 28.0 24.6 22.2 16.7 <br /> J <br /> 1 <br /> Page 1 <br />