ituation #4: Steel railroad rails 12 m long are laid with a clearance 4 mm at a temperature of 8°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 um/m°C %3D and E = 200 GPa. %3D

ituation #4: Steel railroad rails 12 m long are laid with a clearance 4 mm at a temperature of 8°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 um/m°C %3D and E = 200 GPa. %3D

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter9: Time, Temperature, And Mechanical Properties

Section: Chapter Questions

Problem 9.3P

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Subject: Strength of Materials

Situation #4: Steel railroad rails 12 m long are laid
with a clearance 4 mm at a temperature of
8°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 um/m°C
and E = 200 GPa.
%3D

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