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SITE STRUCTURES <br />10511 19th Ave SE, Suite C <br />Everett, WA, (425)-357-9600 <br />Data <br />Project Airport 100 <br />sheet 1-3 <br />date ©I _,1g_c2I <br />prj. no. S-21-006 <br />Soil Density 125 pcf <br />Soil Cover depth to the top of the wall 4. ft WSJ = 200 psf <br />Wall height =7 ft Ws2 = 350 psf <br />Soil Pressure EFW 50;' pcf <br />Surcharge Information <br />uniform S1 = 156 psf (on surface of ground) Equiv Ws = 60 psf <br />truck Ws = 88 psf ( on surface of wall - see design chart ) <br />Critical Design Surcharge pressure 88 psf (on the surface of the wall) <br />Calculated Design Forces <br />W1= 288 F1 = 2016 Ibs R top = 1416 Ibs <br />W2= 350 F2 = 1225 Ibs R bot = 1825 Ibs <br />M1 = 1764 M total= 2864 ft-Ibs <br />M2 = 1100 <br />Wall Reinforcing <br />Wall thickness <br />$Anches <br />Comp block (a) = <br />0.39 inches <br />Clear cover <br />2 inches <br />Depth to CL bar (d) = <br />5.69 inches <br />Rebar size <br />5 <br />d-a/2 = <br />5.49 inches <br />Rebar area <br />0.31 sq-in <br />Bar spacing <br />14 inches <br />4DMn = <br />6501 ft-Ibs <br />Rebar strength fy <br />60ksi <br />Conc strength fc <br />4000 psi <br />Mu = <br />4583 ft-Ibs <br />Load Factor <br />1.5 <br />max tension reinforcing spacing: fs = 23790 psi s = 20.2 in <br />s = 20.2 in <br />smax = 20.2 in - OK <br />Anchorage at Top of the Wall <br />Ru = 2266 plf <br />#5 hairpins net #5@ 15"o/c cpVn = 6700p1f <br />#5 hairpins net #5@ 18"o/c NVn = 5580plf <br />Anchorage at Bottom of the Wall <br />Ru = 2919 plf Rebar Dowel Size <br />Dowel Area = : <br />0.31 sq-in <br />Nominal Shear friction capacity Dowel strength fy= <br />60: ksi <br />of the footing to wall Dowel 8131 plf Dowel Spacing = <br />14 inches <br />Coefficient of friction = <br />0.6 smooth surface <br />