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SECTION 1.3 Mechanical Properties of Materials 13 Problem 1.3-5 A symmetrical framework consisting of three pin- connected bars is loaded by a force P (see figure). The angle between the inclined bars and the horizontal is a 5 48°. The axial strain in the middle bar is measured as 0.0713. Determine the tensile stress in the outer bars if they are constructed of aluminum alloy having the stress-strain diagram shown in Fig. 1-13. (Express the stress in USCS units.) P D AB C a Solution 1.3-5 Symmetrical framework Aluminum alloy a 5 48 8 e BD 5 0.0713 Use stress-strain diagram of Figure 1-13 L 5 length of bar BD
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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 Institute of Technology.

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