! Required information 10-m-long steel rails of a railroad track (Es = 200 GPa and as = 11.7 × 10-6/°C) were laid at a temperature of 7.5°C. Determine the normal stress in the rails when the temperature reaches 48°C, assuming that the rails are 10 m long with 3-mm gaps between them. The normal stress in the rails is MPa.

! Required information 10-m-long steel rails of a railroad track (Es = 200 GPa and as = 11.7 × 10-6/°C) were laid at a temperature of 7.5°C. Determine the normal stress in the rails when the temperature reaches 48°C, assuming that the rails are 10 m long with 3-mm gaps between them. The normal stress in the rails is MPa.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.7.15P: A brass plate with a modulus of elastici ty E = 16 X 106 psi and Poisson’s ratio a = 0.34 is loaded...

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Required information
10-m-long steel rails of a railroad track (Es = 200 GPa and as = 11.7 ×
10-6/°C) were laid at a temperature of 7.5°C.
Determine the normal stress in the rails when the temperature reaches 48°C, assuming that the rails are 10 m long with 3-mm gaps
between them.
The normal stress in the rails is
MPa.

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