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V. wM'%. . µs W. V�uaEW ".wsEW VwoM- V..s xuW ..• 1 V....wc».v..�rx», ..... we». ,....xu»..ws..�... ..��»,�.. ....»..,... ..��.,.... ........,»» ..e-,..-....�.�.. ...... -,:. ..�...... ..o...�. <br />MSEW -- Mechanically Stabilized Earth Walls Kikuchi Retaining Wall <br />Present Date Time: Tue Mar 09 13:16:53 2021 C:`,usersthenry.wright'',Docunients-,MSEW Files`'.7833 LnL`,8 Foot.BENp <br />Y.r YS[W. V..$)(4E{'. Y..rlaF{'• V.r 4SF{'. �'mw 4a'E{'. \'•.w» IIaEW. V..w MaEN. \'..s.ItLEW \'.�. MSEIV• V.w Y4E{'• V..s TE9.{'• l'..r M4W- V..r 1416{'-\'..w MSEY. \'..r lla'E4'+V..w YtiE W. Vag MtiE W. V..m MlEA'. Y.v I(tEY• V.»a»l(R{'• Vawl�ttEM. V..s NQ{'. \'vw NSEi'. V..r MiE W. <br />SOIL DATA <br />REINFORCED SOIL <br />Unit weight, y <br />125.0 lb/ft 3 <br />Design value of internal angle of friction, <br />32.00 <br />RETAINED SOIL <br />Unit weight, y <br />125.0 lb/ft 3 <br />Design value of internal angle of friction, <br />32.00 <br />FOUNDATION SOIL (Considered as an equivalent uniform soil) <br />Equivalent unit weight, y CQW'. <br />125.0 lb/ft 3 <br />Equivalent internal angle of friction, �equi\. <br />32.00 <br />Equivalent cohesion, c equiv. <br />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 10°, Ka is calculated from eq. 15. Otherwise, eq. 38 is utilized) <br />Inclination of internal slip plane, W= 61.00' (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 is controlled by general shear. <br />Bearing capacity factors (calculated by MSEW): Nc = 35.49 N y= 30.21 <br />SEISMICITY (using AASHTO 2007) <br />Maximum ground acceleration coefficient, A = 0.600 <br />Design acceleration coefficient in Internal Stability: Kh = Am = 0.600 <br />Design acceleration coefficient in External Stability: Kh_d = 0.392 => Kh = Am = 0.415 <br />(Kh in External Stability is based on allowable displacement, d = 25 mm. using AASHTO 2002 equation) <br />Kae ( Kh > 0 ) = 0.6271 Kae ( Kh = 0 ) = 0.2705 A Kae = 0.3565 <br />Seismic soil-geogrid friction coefficient, F* is 100.0% of its specified static value. <br />Vww Aft[W. V..m MLA"• V..o.)d5E{'-t'.r MSED'-Vmr.NiER'. \'.r... kSEA'. .'.-.. NSEW. V.r 44EW'• V.s.fAlEK'• V..v MSEW'• Y..w MiE{'• V.wa[tE{'-4ww»MtEA'-YmwlI+EA'-V.s»lI.iEA'. V..v NaEW. V..v�. �f6EW Vnsn 41E4'• V.v NiER'• Vaw MtE4'• Vv.n.KV.{'•V•vo M9E R'-\'..w»MSEW.Vms NaEW, <br />Kikuchi Retaining Wall Page 2 of 5 <br />Copyright <') 1998-2021 ADAMA Engineering, Inc. License number MSEW401027 <br />