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<br />Re,,- 580021 <br />US"" KW-ll606987, Ver 5.8.0, 1-Dec-2003 <br />(c)1983-2003 ENERCALC Engineering Software <br /> <br />Cantilevered Retaining Wall Design <br /> <br />Scope: <br />Code Ref: ACI 318-02,1997 UBC, 20031BC, 2003 NFPA 5000 <br />Page 1 <br />20070167.ecw:Celculetions <br /> <br />Title: <br />Dsgnr: <br />Description : <br /> <br />Job' <br />Date: 10:21AM, 2 MAY 07 <br /> <br />Description <br /> <br />Silverado Signnage <br /> <br />I Criteria -, <br />Retained Height = 0.67 ft <br />Wall height above soil = 2.33 ft <br />Slope Behind Wall 0.00: 1 <br />Height of Soil over Toe = 8.00 in <br />Soil Density = 110.00 pcf <br />Wind on Stem = 57.6 psf <br />~n Summary -. <br />Total Bearing Load = 593 Ibs <br />...resultant ecc. = 7.66 in <br /> <br />Soil Pressure @ Toe = 1,091 psf OK <br />SC?i1 Pressure @ Heel 0 psf OK <br />Allowable = 2,000 psf <br />Soil Pressure Less Than Allowable <br />ACI Factored @ Toe = 1.451 psf <br />ACI Factored @ Heel = 0 psf <br />Footing Shear @ Toe = 4.5 psi OK <br />Footing Shear @ Heel = 2.5 psi OK <br />Allowable 93.1 psi <br />Wall Stability Ratios <br />Overturning = 1.53 OK <br />Sliding = 2.87 (Vertical Co <br />Sliding Calcs (Vertical Component Used) <br />Lateral Sliding Force = 183.0 Ibs <br />less 100% Passive Force= - 347.21bs <br />less 100% Friction Force= - 177.8Ibs <br />Added Force Req'd = 0.0 Ibs OK <br />....for 1.5: 1 Stability = O.Olbs OK <br /> <br />[FOoting Desl~n Results 1 <br /> <br />....l.2L.. Heel <br />1,451 0 psf <br />375 0 ft-# <br />109 142 ft-# <br />267 142 ft-# <br />4.53 2.54 psi <br />93.11 93.11 psi <br />None Spec'd <br />= None Spec'd <br />= None Spec'd <br /> <br />Factored Pressure <br />Mu' : Upward <br />Mu' : Downward <br />Mu: Design <br />Actual1-Way Shear <br />Allow 1-Way Shear <br />Toe Reinforcing <br />Heel Reinforcing <br />Key Reinforcing <br /> <br />= <br /> <br />= <br /> <br />= <br /> <br />= <br /> <br />= <br /> <br />rsOIrData~-------_._._-'_.-----1 <br /> <br />Allow Soil Bearing = 2,000.0 psf <br />Equivalent Fluid Pressure Method <br />Heel Active Pressure = 35.0 psf/ft <br />Toe Active Pressure 0.0 psf/ft <br />Passive Pressure = 250.0 psf/ft <br />Water height over heel = 0.0 ft <br /> <br />FootingllSoil Friction = 0.300 <br />Soil height to ignore <br />for passive pressure <br /> <br />= <br /> <br />0.00 in <br /> <br />I Stem Construction I <br /> <br />DesIgn height ft = <br />Wall Material Above "Ht" = <br />Thickness <br />Rebar Size <br />Rebar Spacing <br />Rebar Placed at <br />DesIgn Data -- <br />fb/FB + fa/Fa = <br />Total Force @ Section Ibs = <br />Moment....Actual ft-#= <br />Moment.....Allowable = <br />Shear.....Actual psi = <br />Shear.....Allowable psi = <br />Bar Develop ABOVE Ht. in = <br />Bar Lap/Hook BELOW Ht. in = <br />Wall Weight = <br />Rebar Depth 'd' in = <br />Masonry Data <br />fm psi = 1,500 <br />Fs psi = 24,000 <br />Solid Grouting = No <br />Special Inspection = Yes <br />Modular Ratio 'n' 25.78 <br />Short Term Factor = 1.000 <br />Equiv. Solid Thick. in = 4.60 <br />Masonry Block Type = Normal Weight <br />Concrete Data __ <br />fc psi= <br />Fy psi= <br />Other Acceptable Sizes & Spacings <br />Toe: Not req'd, Mu < S . Fr <br />Heel: Not req'd, Mu < S . Fr <br />Key: No key defined <br /> <br />= <br /> <br />0.459 <br />142.1 <br />248.0 <br />540.3 <br />5.4 <br />38.7 <br />30.00 <br />6.00 <br />55.0 <br />3.81 <br />