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, National Concrete Masonary Association Pa�e � of 10 <br /> Resuit of External Stability Static Analysis <br /> Calculated Design Criteria <br /> FOS Sliding 2.73 >1.50 <br /> FOS Overturning 6.25 >2.00 <br /> FOS Bearing Capacity 6.31 >3.00 <br /> Base Reinforcement Length(L)(ft) 5.00 <br /> Base Reinforcement Ratio(UH) 1.00 >0.60 <br /> Detailed Result of External Stability Analysis <br /> Calculated <br /> Total Horizontal Force(Ib/ft) 711.38 <br /> Total Vertical Force(Ib/ft) 3240.01 <br /> Sliding Resistance(Ib/ft) 1942.55 <br /> Driving Moment(Ib-ft/ft) 1557.24 <br /> Resisting Moment(Ib-ft/ft) 9735.84 <br /> Bearing Capacity (psf) 6983.68 <br /> Base Eccentricity(e)(ft.) -0.02 <br /> Eccentricity Ratio(e/L-2e) 0.00 <br /> Maximum Bearing Pressure(psf) 1106.65 <br /> Results of Internal Stability Static Analysis <br /> SRW Anchor FOS FOS FOS Layer <br /> Geosynthetic Elevation Length Spacing <br /> Unit product ft ft Length Overstress Pullout Slide <br /> # ( � ( � (ft) >=1.50 >=1.50 >=1.50 ��2 00 <br /> 7 Miragrid 3XT 3.00 5.00 2.40 4.25 1.87 8.20 OK <br /> 3 Miragrid 3XT 1.00 5.00 3.47 4.43 5.64 4.88 OK <br /> ---------------------------------------------------------------------------------------------------------------------------------------------- <br /> file://C:AProaram Files\NCMA\SRWa11 4.0\Report.html 10/24/2011 <br />