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o-oa.� BOEING <br /> � LAB CHECK P.O.Box 3707 <br /> ' Seattle,W88hington 98124-2207 <br /> PROJECT Metal Pa�ta and Miscallaneous Metals JOB NO. W436311 <br /> FIG. BY B. BABCOCK CHECKED BY M.ABDI DATE 03/08/11 REV'D <br /> AS SOIL BEARING PRESSURE DIRECTLY BELOW THE BASE PLATE IS OK,THE <br /> BENDING AND SHEAR CALCULATIONS SHOWN BELOW ARE NOT REQUIRED. <br /> P��UIRED LOADED AAEA= 2.42 sf <br /> SOIL BEARING PRESSURE(DL+LL)= 1,403 psf <br /> FACTORED SBP= 1.4D+1.7L= 2,360 ps( <br /> SOIL BEARING PRESSURE(DL+LL+E)= 2,667 psf <br /> FACTORED SBP= 0.75(1.4D+ 1.7L+ 1.7(1.1 E)) = 3,543 psf <br /> REOUIRED LOADED AREA RADIUS= 10.54 in <br /> CHECK SLAB CAPACITY-iiEINFORCED: <br /> Mu= (3.54' 8.04^2)/(2' 12)= 9.5 in Wfl = 0.80 (t-k/It <br /> Vu = 1.4D+1.7L= 5.72 k <br /> Vu= 0.75(1.4D+ 1.7L+ 1.7(1.1 E))= 8.59 k <•-•GOVERNS <br /> FOR PLAIN CONCRETE: <br /> SLAB BENDING: S=(bd^2)/6= 98 in3 Fb=5'(fc)^0.5 = 273.9 <br /> (b=M/S= 97.4 psi < 273.9 psi OK <br /> PUNCHING SHEAR: bo=2'((N+t)+(B+t))= 54 in <br /> phi'Vc=0.85'(2.66)'((c^.5)'bo't 46.8 kip OK <br /> CHECK BOTTOM REINFORCING FOR DOWNWARD LOADING <br /> F=(b ' d^2)/12,000= 0.0123 d7 = 3.5 in <br /> Ku= Mu/F= 64.92 <br /> Ku=phi Pc'w'(1-.59'w) <br /> w= 0.0259 <br /> p REa'D=w'(Pc/fy)= 0.0013 <br /> pMIN =200/ty= 0.0033 <br /> SETp=4/3 'p= 0.0017 <br /> Asb REQ'D=pbd= 0.072 in^2 <br /> BOTTOM As PROVIDED <br /> (IN 1 FT WIDTH)= 020 in^2 > 0.072 in^2 OK <br /> CHECK PUNCHING ShIEAR - Reinforced: <br /> bo= 2 ' [(5.00+3.50)+(8.00+3.50)]= 40.00 in <br /> phi'Vc=0.85'(4)'(('c^.5)'(bo'd) 26.07 k > 8.59 k OK <br /> FILENAME: RackaW436311.x1s Page 19 of 23 3l8/2011 822 AM <br />