A steel rod with cross- sectional area of 150 sq.mm. is stretched between two fixed points. The tensile load at 20 degrees Celsius is 5000N. Assume thermal coefficient = 11.7mm/cm-C and E=200

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A steel rod with cross-
sectional area of 150
sq.mm. is stretched
between two fixed points.
The tensile load at 20
degrees Celsius is 5000N.
Assume thermal coefficient
= 11.7mm/cm-C and E=200
GPa.
a. What will be the stress
at-20 degrees celcius?
b. At what temperature will
the stress be zero?
Transcribed Image Text:A steel rod with cross- sectional area of 150 sq.mm. is stretched between two fixed points. The tensile load at 20 degrees Celsius is 5000N. Assume thermal coefficient = 11.7mm/cm-C and E=200 GPa. a. What will be the stress at-20 degrees celcius? b. At what temperature will the stress be zero?
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