Question: A concrete walk is poured on a day when the temperature is 20.0C in such a way that the ends are unable to move. (a)

A concrete walk is poured on a day when the temperature is 20.0°C in such a way that the ends are unable to move. (a) What is the stress in the cement on a hot day of 50.0°C? (b) Does the concrete fracture? Take Young’s modulus for concrete to be 7.00 X 109 N/m2 and the compressive strength to be 2.00 X 109 N/m2.

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