An aluminum pipe with a length of 60 m at a temperature of 10°C rests freely on the ground. An adjacent steel pipe at the same temperature is 5 mm longer than the aluminum pipe. (a) At what temperature (degrees Celsius) will the aluminum pipe be 15 mm longer than the steel pipe? (Assume that the coefficients of thermal expansion of aluminum and steel are No. 1. aa=23x10-6/°C and as=12x10-6/°C, respectively.)

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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An aluminum pipe with a length of 60 m at a temperature of 10°C rests freely on the
ground. An adjacent steel pipe at the same temperature is 5 mm longer than the aluminum pipe.
No. 1.
(a) At what temperature (degrees Celsius) will the aluminum pipe be 15 mm longer than the steel
pipe? (Assume that the coefficients of thermal expansion of aluminum and steel are
aa=23x10-6/°C and as=12x10-6/°c, respectively.)
(b) What is the axial stress developed in the aluminum pipe with 30 mm diameter when the
temperature was increased?
5 mm
Aluminun
Steel
Figure No. 1
Transcribed Image Text:An aluminum pipe with a length of 60 m at a temperature of 10°C rests freely on the ground. An adjacent steel pipe at the same temperature is 5 mm longer than the aluminum pipe. No. 1. (a) At what temperature (degrees Celsius) will the aluminum pipe be 15 mm longer than the steel pipe? (Assume that the coefficients of thermal expansion of aluminum and steel are aa=23x10-6/°C and as=12x10-6/°c, respectively.) (b) What is the axial stress developed in the aluminum pipe with 30 mm diameter when the temperature was increased? 5 mm Aluminun Steel Figure No. 1
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