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A&P Holdings 1498 plan <br /> ;ti .vim Structural Calculations <br /> L <br /> STRUCTURAL <br /> Check Resultant Eccentricity: <br /> Mca�c+Msoi!—i1'1ar <br /> xr:= =1.9 Distance from toe to location of <br /> R, vertical resultant(ft) <br /> e:= xr— B =0.6 Eccentricity from center of base(ft) <br /> 2 <br /> Kern:= if B >e ="Middle Third" <br /> 6 <br /> "Middle Third"j <br /> else <br /> "Unstable" <br /> Check Bearing: <br /> Qmi,,:=B'•(1—6•B) Q,,1111=289 Min bearing pressure at heel (psf) <br /> Q,,,aa.:= •(i+6• .8) Q,,,�,�=1949 Max bearing pressure at toe(psf) <br /> Check Sliding J <br /> R:=0.4 Coefficient of friction <br /> Rh=1762 Horizontal reaction on wall (Ibs) <br /> R f:=u•R„=2312.3 Resistance due to friction (Ibs) <br /> R =0 Resistance due to passive <br /> pressure at toe(Ibs) <br /> FSs1:=It•r+R�, =1.313 Factor of safety <br /> Rh <br /> Interior concrete slab will brace the wall <br /> against sliding. -OK <br /> Concrete reinforcing <br /> d:=5.5 Distance to reinforcing (in) <br /> 1.6•Ma,. <br /> =0.43 Area of steel required for <br /> 4.1000•d bending stresses(inA2/ft) <br /> Use#5 @ 8"o.c. vertical bars(0.45 in'2/ft) <br /> #4 @ 16"horz bars(0.15 in@/ft) <br /> Use#5 @ 12"o.c.transverse bars in 12"slab, top&bot <br /> By:J.Conner, PE,SE <br /> Page 3 <br />