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MSEW--Mechanically Stabilized Earth Walls Soundview Technology Center <br /> Present Dale/Time Tue Dec 13 14 14 42 2016 CAUserkhase ha1.wnkD"kloj0rhm--Orskloo Copies\Wall DesignsWll 05\53 33 Foot BEN <br /> SOIL DATA <br /> REINFORCED SOIL <br /> Unit weight, y 125.0 lb/ft <br /> Design value of internal angle of friction, 32.00 <br /> RETAINED SOIL <br /> Unit weight, y 125.0 lb/ft <br /> Design value of internal angle of friction, 32.00 <br /> FOUNDATION SOIL(Considered as an equivalent uniform soil) <br /> Equivalent unit weight, Y,,ui, 125.0 lb/ft 3 <br /> Equivalent internal angle of friction, 0equiv 32.0 Q <br /> Equivalent cohesion, C equiv 0.0 lb/ft <br /> Water table does not affect bearing capacity <br /> LATERAL EARTH PRESSURE COEFFICIENTS <br /> Ka(internal stability)=0.3073 (if batter is less than 100, Ka is calculated from eq. 15. Otherwise,eq.38 is utilized) <br /> Inclination of internal slip plane, y=61.001 (see Fig.28 in DEMO 82). <br /> Ka(external stability)=0.3073 (if batter is less than 100,Ka is calculated from eq. 16. Otherwise,eq. 17 is utilized) <br /> BEARING CAPACITY <br /> Bearing capacity coefficients(calculated by MSEW): Nc—35.49 N y=30.21 <br /> SEISMICITY <br /> Maximum ground acceleration coefficient,A=0.300 <br /> Design acceleration coefficient in Internal Stability: Kh=Am=0.345 <br /> Design acceleration coefficient in External Stability: Kh_d=0.165 => Kh=Am=0,212 <br /> (Kh in External Stability is based on allowable displacement, d=25 mm.using AASHTO 2002 equation) <br /> Kae(Kh>0)=0.4130 Kae(Kh=0) =0.2705 A Kae=0.1424 <br /> Seismic soil-geogrid friction coefficient,F*is 80.0%of its specified static value. <br /> Soundview,rechnology Center Page 2 of 5 <br /> Copyright(0 1998-2011 ADAMA Engineering,Inc. License number MLNL-301109 <br />