Answer to Question #301376 in Physics for Deborah

Question

 On a day that the temperature is 28.0oC, a concrete wall is poured in such a way that the ends of the wall are unable to move. Take Young’s modulus for concrete to be 4.57 x 109 N/m2 and the compressive strength to be 1.32 x 106 N/m2. (a) What is the stress in the cement on a hot day of 43.0oC? (b) Does the concrete fracture? (Take  = 1.2 x 10-5 oC-1).

Answer 1

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