What is the stress in the bronze rod (in MPa)? b) What is the stress in the steel rod (in MPa)?
What is the stress in the bronze rod (in MPa)? b) What is the stress in the steel rod (in MPa)?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
a) What is the stress in the bronze rod (in MPa)?
b) What is the stress in the steel rod (in MPa)?
Transcribed Image Text:The rigid bar ABC is supported by a pin at B and two vertical steel rods. Initially
the bar is horizontal and the rods are stress-free. Find the stress in each rod if
the temperature rises 30°C after a load W = 125 kN is applied. The coefficients of
linear expansion are 11.7 um/(m-°C) for steel and 18.9 pm/(m-°C) for bronze.
Bronze
L = 3 m
A = 1300 mm?
E = 83 GPa
Steel
L = 1.5 m
A = 320 mm?
E = 200 GPa
+1m->
2.5 m
1.5 m
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