A rail line is laid so that there is no stress in rails at 15°C. The rails are 50 m long. α = 11.7 × 10-6/°C and E = 2.3 × 105 N/mm2. Find the maximum temp. to have no stress in the rails if the expansion allowance is 15 mm/rail.

A rail line is laid so that there is no stress in rails at 15°C. The rails are 50 m long. α = 11.7 × 10-6/°C and E = 2.3 × 105 N/mm2. Find the maximum temp. to have no stress in the rails if the expansion allowance is 15 mm/rail.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)

Section: Chapter Questions

Problem 8.2.13P: : A hollow, pressurized sphere having a radius r = 4.8 in, and wall thickness t = 0.4 in. is lowered...

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Concept explainers

Pressure Vessels

The term pressure vessel refers to a closed container that contains gas or liquid at a different pressure than environment pressure. The pressure vessels have a wide scale of applications in our day-to-day lives and other industrial places. Some common examples of pressure vessels are gas cylinders, autoclaves, compressor vessels, etc.

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A rail line is laid so that there is no stress in rails at 15°C. The rails are 50 m long. α = 11.7 × 10^-6/°C and E = 2.3 × 10⁵N/mm². Find the maximum temp. to have no stress in the rails if the expansion allowance is 15 mm/rail.

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