beam inertia calc
Post on 03-Nov-2015
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beam
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Sheet1Moment of Inertia CalculationsCombined Plate and StiffenerWidthHeightAreay-barProduct2nd ProductLocal ibhadbladbladbl2bh3/12Member/Part(in)(in)(in2)(in)(in3)(in4)(in4)Stiffener Flange (bf, tf)7.60.53.8006.75025.650173.1380.079Stiffener Web (tw, d)0.37562.2503.5007.87527.5636.750Plating (s, tp)90.54.5000.2501.1250.2810.094Sums =10.55034.650200.9816.923Area =10.550in2Height =7inHeight of NA =3.284inSM Top =25.326in3Moment of Inertia about NA (I) =94.101in4SM Bottom =28.651in3Bending Moment147456ft-lbCheck NA % Vert47%1769472in-lbBending Stress-top69869psiBending Stress - bottom61759psiMax bending stress69869Yield Stress80000psiFactor of Safety1.15
bfsdtftwt
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