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~ETAINING WALL PROGRAM: 4' WALL / 30 PCF / 2000 / FS ~ 1,0 <br /> <br /> ~£A: K(~ORIZ) = 30 PCF K(VERT) = 0 PCF. <br /> ~ETAIN~D SOIL BEIG~T = 3~5 FT~ <br /> SLOPE OF BACKFILL -- 1 vert TO 9999 horiz <br /> MAX. SOIL BEARING PRESSURE = 2000 PSF. <br /> STRENGTH DATA GIVEN: Concrete 3000 psi. Rebar ASTM Grade 40 <br /> <br />:ESULTS OF COMPUTER DESIGN: <br /> <br />Footing width (total) = 2 feet. <br />Footing Thickness = 10 inches. <br />Footing Toe = 6 inches. <br />Footing Heel = 1 feet. <br /> <br />Wall Thickness = 6 inches. <br />Wall Height (max) = 4 feet. <br /> <br />Factor of Safety (Overturning) = 1.904032 <br />Factor of Safety (Sliding} = 1.219932 <br /> <br />Overturning moment <br />Thrust <br />Retaining Moment <br />Total Weight <br />Max. Soil Bearing Pressure <br /> <br />564.5953 lb.ft. <br />350.4312 lb. <br />1075.008 lb.ft, <br />950.005 lbs. <br />1178.798 psf. <br /> <br />WALL <br />WALL <br />WALL <br />WALL <br /> <br />STEEL 1 ft from the top <br />STEEL 2 ft from the top <br />STEEL 3 ft from the top <br />STEEL 4 it from the top <br />Maximum Allowable Steel <br />#4 VERTS AT 49 IN O/C. <br />~5 VERTS AT 76 IN O/C. <br />#6 VERTS AT 108 ~N <br />#7 VERTS AT 147 IN O/C, <br />#8 VERTS AT 194 IN O/C. <br /> <br />= 7.55925E-04 in.sq./ft. <br />~ 6.052001E-03 in.sq./ft. <br />= .0204751 in.sq./ft. <br />= .0487677 in.sq./ft. <br />Area = 1.336402 in,sq/ft. <br /> <br />HEEL <br /> <br /> Steel (top) = 2.400171E-02 in.sq/ft. <br />#4 TRANSVERSE (TOP) 99 IN O/C. <br />#5 154 IN.O/C. <br />#6 219 IN O/C. <br />#7 299 IN O/C. <br />~8 394 IN O/C. <br /> <br />TOE Steel (bottom) = 1.511368E-02 in.sq/ft. <br /> #4 HOOKS AT 158 IN O/C, <br /> #5 246 IN O/C. <br /> #6 349 IN O/C. <br /> 476 IN O/C. <br /> 627 IN O/C. <br /> <br />Temperature Steel: <br /> <br />Wall Horiz: <br />~4 B AT 13 IN O/C. <br />#5 H AT 20 IN O/C. <br /> <br />Footing Longit= <br />( 3 ) #4 CONT, <br />( 2 ) #5 CONT. <br /> <br /> <br />