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- KOSNIK ENGINEERING { Project_SL /'Moa� <br /> sheet p,,,� <br /> 16300 MILL CREEK BLVD — <br /> date /�—z 3 _a¢ <br /> Suite G2, -(425)-743-7004 <br /> P�J. no._c�4_ Do�d <br /> Design Data ���.J�,A� �� ? r., Y �✓� <br /> Soil Desiity . 125 pcf <br /> Soil Cover depth to the top of the wall ,� 3 h <br /> Wall height �� ft WS� = 150 psf <br /> Active Soil Pressure EFW WSZ= 500 p;;f <br /> � 50 pcf <br /> Surcharge Information <br /> uniform S1 = 150 psf (on surface of groun�i) E uiv Ws= <br /> truck Ws = 80 psf f on surtace of wall-see design chart) 60 psf <br /> Critical Design Surcharge pressure = �80 psf(on the surface of the wall) <br /> Calculated Design Forces <br /> W1= 230 F1 = 2300 Ibs R top= 1983 Ibs <br /> W2= 500 F2= 2500 Ibs R bot= 2817 Ibs <br /> M1 = 2875 M total= 6083 ft-Ibs <br /> M2 = 3208 <br /> Wall Reinforcing <br /> Wall thiCknesS 10 inches Assume comp block= 0.61 inches <br /> Clea-Cover 1.5 inches Depth to CL or bar= 8.19 inches <br /> Rebar Size 5 d-2/2 = 7.8825 inches <br /> Rebar Area 0.31 sq-in calc comp block= 0.61 inches <br /> Bar spacing 12 inches <br /> Rebar strength fy= 60 ksi phi Mn = 1q996 ft-Ibs � <br /> conc strength fc= 3000 psi <br /> Load Factor= 1.7 Mu= 10340 ft-Ibs '— <br /> Anchorage at Top of the Wall <br /> Ru= 3372 plf� I Rebar Oowel Size= g i <br /> Shear capacity of Dowel = 5280 If � f� Dowel Area= 0.44 sq-in � <br /> Bearing capacity of Dowel= 7875 Plf � Dowel strength fy= SO ksi <br /> P , Dowel Spacing= 24 inches <br /> Dowel brg length= 2.5 inches - <br /> conc strength fc= 3000 psi <br /> Anchorage at Bottom of the Wall <br /> Ru = 4788 plf Rebar powel Size= 5 _ <br /> No:ninal Shear friction capacity �i:� Dowel Area = 0.31 sq-in <br /> of the footing to wall Dowel 9a86 �{� Dowel strength fy= 60 ksi <br /> P Dowel Spacing = 12 inches <br /> Coefficient of friction = 0.6 smooth surface <br /> � <br />