Problem 5.5-16Determine the maximum tensile stress andmaximum compressive stress due to the load acting on thesimple beam (see figure).Data are as follows: .b80 mm, t25 mm, h120 mm, and h190 mmP6.2 kN, L3.2 m, d1.25 m,ABPscstSECTION 5.5Normal Stresses in Beams403Solution 5.5-16NUMERICAL DATABeam cross section properties: centroid and moment of inertiaI5879395.2 mm4+Afcc2(hh1)2d2+Awac1h12b2I112th13+112b(hh1)3dist. to C from bottomc2hc1c244 mmc1Awh12+Afch(hh1)2dAf+Awc176 mmAfb(hh1)Awth1h190 mmt25 mmh120 mmd1.25 mb80 mmP6.2 kNL3.2 mMAX. MOMENT& NORMAL STRESSESMAX. COMPRESSIVE STRESS AT TOP() MAX. TENSILE STRESS AT BOTTOM() stMmax c2Ist35.4 MPa;cc2scMmax c1Isc61.0 MPa;cc1MmaxPd(Ld)LMmax4.7 kN#mdA
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maximum tensile stress, Compressive stress, maximum compressive stress, compressive stress sc
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