Theory of Structures - Civil Engineering Questions and Answers

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Two bars, one of steel and the other of copper having areas of cross-sections A_s and A_c, coefficient of expansion \(\alpha\)s and \(\alpha\)c and Young's Modulii E_s and E_s are rigidly connected together at the ends and subjected to temperature change of t°. If the length of the bars initially is L, the final extension \(\delta\) of the two bars at t° temperature is given by