Steel railroad reels 15 m long are laid with a clearance of 7 mm at a temperature of 25°C. At what temperature will the rails just touch? What stress would be induced in the rails at that temperature if there were no initial clearance? Assume a = 11.7 µm/(m-°C) and E = 200 GPa.

Mechanics of Materials (MindTap Course List)
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ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
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Chapter3: Torsion
Section: Chapter Questions
Problem 3.5.9P: The normal strain in the 45n direction on the surface of a circular tube (sec figure) is 880 × 10...
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The subject is Mechanics of Deformable Bodies

Steel railroad reels 15 m long are laid with a clearance of 7 mm at a temperature of 25°C. At what
temperature will the rails just touch? What stress would be induced in the rails at that temperature if there
were no initial clearance? Assume a = 11.7 µm/(m-°C) and E = 200 GPa.
Transcribed Image Text:Steel railroad reels 15 m long are laid with a clearance of 7 mm at a temperature of 25°C. At what temperature will the rails just touch? What stress would be induced in the rails at that temperature if there were no initial clearance? Assume a = 11.7 µm/(m-°C) and E = 200 GPa.
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