Problem 3.5-2A hollow steel bar (G580 GPa) is twisted by torques T(see figure). The twisting of the bar produces a maximum shear straingmax5640 31026rad. The bar has outside and inside diameters of 150 mm and 120 mm, respectively. (a) Determine the maximum tensile strain in the bar.(b) Determine the maximum tensile stress in the bar.(c) What is the magnitude of the applied torques T?Solution 3.5-2Hollow steel bar210CHAPTER 3TorsionG580 GPagmax564031026radd25150 mmd15120 mm529.3433106mm4(a) MAXIMUM TENSILE STRAINemax5gmax25320310265p32[(150mm)42(120mm)4]IP5p32(d242d14)(b) MAXIMUM TENSILE STRESStmax5Ggmax5(80 GPa)(64031026)551.2 MPa(c) APPLIED TORQUESTorsion formula: 520,030 N?m520.0kN #mT52IPtmaxd252(29.3433106mm4)(51.2MPa)150mmtmax5TrIP5Td22
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This note was uploaded on 09/20/2009 for the course COE 3001 taught by Professor Armanios during the Spring '08 term at Georgia Tech.