Rigid bar ABCD shown in the figure is supported by a smooth pin at D and by vertical aluminum alloy [E = 10,000 ksi] bars attached at joints A and C. Bar (2) was intended to have a length of 60 in.; however, its actual length after fabrication was found to be L2 = 59.88 in. To connect it to the pin at C on the rigid bar, bar (2) will need to be manuaily stretched by A = 0.12 in. After bar (2) has been stretched and connected to the pin at C. Use the following additional properties and dimensions: A1 = A2 = 0.75 in², Determine: (a) the normal stresses in bars (1) and (2). (b) the deflection at A of the rigid bar.
Rigid bar ABCD shown in the figure is supported by a smooth pin at D and by vertical aluminum alloy [E = 10,000 ksi] bars attached at joints A and C. Bar (2) was intended to have a length of 60 in.; however, its actual length after fabrication was found to be L2 = 59.88 in. To connect it to the pin at C on the rigid bar, bar (2) will need to be manuaily stretched by A = 0.12 in. After bar (2) has been stretched and connected to the pin at C. Use the following additional properties and dimensions: A1 = A2 = 0.75 in², Determine: (a) the normal stresses in bars (1) and (2). (b) the deflection at A of the rigid bar.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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