Solution 5.5-9Beam in an oil-well pumpSECTION 5.5Normal Stresses in Beams293L14 ftP8.8 kb8.0 in.h20.0 in.tf0.875 in.tw0.625 in.h1h2tf18.25 in.b1btw7.375 in.MmaxPL(8.8 k)(14 ft)123,200 lb-ft 1,478,400 lb-in.5,333.3 in.43,735.7 in.41,597.7 in.49250 psi 9.25 ksismaxMmaxcI(1.4784106lb-in.)(10.0 in.)1,597.7 in.4112(8.0 in.)(20.0 in.)3112(7.375 in.)(18.25 in.)3Ibh312b1h1312smaxMmaxcIch210.0 in.btfh1h2twLPProblem 5.5-10A railroad tie (or sleeper) is subjected to two rail loads, each of magnitude P175 kN, acting as shown in the figure. The reaction qof the ballast is assumed to be uniformly distributed over the length of the tie, which has cross-sectional dimensions b 300 mm and h 250 mm.Calculate the maximum bending stress maxin the tie due to
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Rail tracks, G protein coupled receptors, maximum bending stress