A 25m steel rod with diameter of 20 mm is secured between rigid supports at both ends. If there is no stress at a temperature of 20oC, E = 200GPa. 6. Compute the stress when the temperature drops to 0 oC, if it has a coefficient of thermal expansion of 0.0000117 m/moC. 7. Compute the strain of the rod if the rod supports yield and move together a distance of 0.5mm as temperature drops. 8. Compute the stress in the rod if the supports yield and move together a distance of 0.5mm as the temperature drops.

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A 25m steel rod with diameter of 20 mm is secured between
rigid supports at both ends. If there is no stress at a
temperature of 20oC, E = 200GPa.
6. Compute the stress when the temperature drops to
0
oC, if it has a coefficient of thermal expansion of
0.0000117 m/moC.
7. Compute the strain of the rod if the rod supports
yield and move together a distance of 0.5mm as
temperature drops.
8. Compute the stress in the rod if the supports yield
and move together a distance of 0.5mm as the
temperature drops.

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