Question: For the one-dimensional steel bar fixed at each end and subjected to a uniform temperature drop of T = 30°C as shown in Figure P15

For the one-dimensional steel bar fixed at each end and subjected to a uniform temperature drop of T = 30°C as shown in Figure P15 -2, determine the reactions at the fixed ends and the stress in the bar. Let E = 200 GPa, A = 1 Ã— 10-2 m2, and a = 11.7 Ã— 10-6 (mm/mm)/°C.

T = - 30C 3 m

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