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DESIGN MANUAL& KEYWALL OPERATING GUIDEEAASHTO LRFD METHODOLOGY LEVEL SURCHARGE - 250 PSFRETAINING WALL DESIGNKeyWall_2010 Version 3.7.1 Build 1P r o j e c t : Part 6; Design Examples D a t e : 8/31/2010Project No: NAD e s i g n e r : JLGC a s e : Appendix EDesign Method: AASHTO-LRFD (vertical soil interface) Strength IDesign ParametersSoil Parameters: φ c p s f γ p c fReinforced Fill 34 0 120Retained Zone 30 0 120Foundation Soil 30 0 120Reinforced Fill Type: Sand, Silt or ClayUnit Fill:Crushed Stone, 1 inch minusLoad Factors for Strength I are:(the larger values are driving (EVd), the lessor values are resisting (EVr)E H 1.50 to 0.90 RF_bearing 0.65EV 1.35 to 1.00 RF_pullout 0.90ES 1.50 to 0.75 R F _ s l i d i n g 1.00LL 1.75 to 0.00 RF_tension 0.90RFcn-d = 1.10 Applied to Peak ConnectionRFcn-cr = 1.10 Applied to Peak ConnectionReinforcing Parameters: Mirafi XT GeogridsTult RFcr RFd RFid LTDS Tal Ci Cds α3XT 3500 1.58 1.10 1.10 1831 1648 0.90 0.90 0.80A n a l y s i s :Case: Appendix EAASHTO LRFDUnit Type: CompacII / 120.00 pcf Wall Batter: 0.00 deg.Leveling Pad: Crushed StoneWall Ht: 10.00 ft e m b e d m e n t : 1.00 ftLevel Backfill Offset: 0.00 ftSurcharge: LL: 250 psf uniform surcharge DL: 0 psf uniform surchargeLoad Width: 100.00 ftLoad Width: 100.00 ftResults: Sliding Overturning Bearing Shear BendingCDR 1.40 2.81 3.14 3.74 0.55