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3013q2.m05.082 - MEEG 3013 Quiz#2.m05.082 A 1.8-m concrete...

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MEEG 3013 Quiz #2.m05.082 A 1.8-m concrete post ( E c = 25 GPa, 6 9.9 10 / C c α = × ° ) is rein- forced with six steel bars ( E s = 200 GPa, 6 11.7 10 / C s α = × ° ). If the diameter of each steel bar is 22 mm and temperature drops 35°C, determine ( a ) the normal stresses σ s and σ c induced in the steel and in the concrete, respec- tively, ( b ) the change in length post δ of the post. ---------------------------------------------------------------------------------------------------------------------
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