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686_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

686_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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680 CHAPTER 8 Applications of Plane Stress Solution 8.5-5 P compressive force T Torque d 2 outer diameter d 1 inner diameter T 240 k in. d 2 8 in. d 1 6.25 in. A 19.586 in. 2 t allow 6250 psi I p 252.321 in. 4 S TRESSES AT THE OUTER SURFACE I p p 32 a d 2 4 d 1 4 b A p 4 a d 2 2 d 1 2 b # s x 0 t xy 3805 psi M AXIMUM IN - PLANESHEAR STRESS t max t allow s y 9917 psi P s y A N OTE : The maximum in-plane shear is larger than the maximum out-of-plane shear stress. P 194.2 k ; s y 1 1 t max 2 t xy 2 2 4 t max A a s x s y 2 b 2 + t xy 2 t xy T a d 2 2 b I p s y P A Problem 8.5-6 A cylindrical tank subjected to internal pressure p is simultaneously compressed by an axial force F 72 kN (see figure). The

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