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Concrete slabs of length 25 m are laid end to end to form a road surface. What is the width of the gap that must

Concrete slabs of length 25 m are laid end to end to form a road surface. What is the width of the gap that must be left between adjacent slabs at a temperature of -150C to ensure they do not buckle at a temperature of +450C.Coefficient of thermal expansion for concrete a =12x10-6 0C-1

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