Determine the stress in the rails

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Reference no: EM132178170

Problem

Steel railroad rails 10 meters long are laid with a clearance of 3 mm at a temperature of 15 degrees centigrade. The modulus of elasticity is 200 GPa and the coefficient of linear expansion is 11.7 x 10-6/°C.

1. At what temperature the rails will just touch?

2. Determine the stress in the rails at 65°C.

Reference no: EM132178170

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