A flat aluminum alloy bar is fixed at both ends. Segment AB has a slight taper. If
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A flat aluminum alloy bar is fixed at both ends. Segment AB has a slight taper. If the temperature of the bar is raised uniformly by an amount ΔT = 20°F, find reactions at A and C. What is the displacement at B? Assume that L = 3 ft, t = 1/4 in., b1 = 2 in., b2 = 2.5 in., E = 10,400 ksi, and the coefficient of thermal expansion a = 13 X 10-6 /°F.
Transcribed Image Text:
b2 A X 1/2 bi B L/2 SB b₁ C
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