Steel railroad rails 10 m long are laid with end-to-end clearance of 3 mm at a temperature of 15'C. (a) At what temperature will the rails just come in contact? (b) What stress would be induced in the rails at that temperature if there were no initial clearance? Use a 11.7 x 10-/C and E= 200 GPa.

Steel railroad rails 10 m long are laid with end-to-end clearance of 3 mm at a temperature of 15'C. (a) At what temperature will the rails just come in contact? (b) What stress would be induced in the rails at that temperature if there were no initial clearance? Use a 11.7 x 10-/C and E= 200 GPa.

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter6: Introduction To Mechanical Properties

Section: Chapter Questions

Problem 6.2DP

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Question

2.76 Steel railroad rails 10 m long are laid with end-to-end clearance of 3 mm at a
temperature of 15 C. (a) At what temperature will the rails just come in contact? (b)
What stress would be induced in the rails at that temperature if there were no initial
clearance? Use a = 11.7 x 10-6C and E = 200 GPa.

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