A steel railroad track (E=200GPa, α=11.7x10^-6/°C) was laid out at a temperature of -6°C. Determine the normal stress in the rail when the temperature reaches 48°C. Assuming that the rails (a) are welded to form a continuous track (b) are 10m long with 3mm gaps between them.

A steel railroad track (E=200GPa, α=11.7x10^-6/°C) was laid out at a temperature of -6°C. Determine the normal stress in the rail when the temperature reaches 48°C. Assuming that the rails (a) are welded to form a continuous track (b) are 10m long with 3mm gaps between them.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.5.1P: The rails of a railroad track are welded together at their ends (to form continuous rails and thus...

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