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MSEW--Mechanically Stabilized Earth Walls Soundview Business Center <br /> Presenl Dale/Time: Tue Oel 13 13:48 17 2015 C:\Users\henry wright\Documents\MSEW Files14011 LnU24 Fool BEN <br /> SOIL DATA <br /> REINFORCED SOIL <br /> Unit weight, y 125.0 lb/ft 3 <br /> Design value of internal angle of friction, 32.00 <br /> RETAINED SOIL <br /> Unit weight, y 125.0 lb/ft 3 <br /> Design value of internal angle of friction, 32.00 <br /> FOUNDATION SOIL(Considered as an equivalent uniform soil) <br /> Equivalent unit weight, y equiv 125.0 lb/ft' <br /> Equivalent internal angle of friction, kquiv 32.00 <br /> Equivalent cohesion, c equiv 0.0 lb/ft 2 <br /> Water table does not affect bearing capacity <br /> LATERAL EARTH PRESSURE COEFFICIENTS <br /> Ka(internal stability)=0.3073 (if batter is less than 10°,Ka is calculated from eq. 15. Otherwise,eq.38 is utilized) <br /> Inclination of internal slip plane, W=61.000 (see Fig.28 in DEMO 82). <br /> Ka(external stability)=0.3073 (if batter is less than 10°,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 Business Center Page 2 of 5 <br /> Copyright OO 1998-2011 ADAMA Engineering,Inc. License number MLNL-301109 <br /> .nrUYMMr:llpta4rl11Yl�a�+ 1WYar.1 WAr�11M �r 11Wa.�NW .r�l4l�..0 11W1..r.WNrIwV11Y�1�RIR1 r1111LLrrlY .._..cW.-...Wl.r1Y�11w 11 W1�w1111r�\wL <br />