hree identical circular A36 steel columns, A, B, and C, are carrying a 750kN block. The diameter of each column is 30mm. Calculate the normal stress on each column when column B is heated from 20oC to 25oC. Consider: EA36 =200GPa A36 =0.000012 oC-1 1) What is the effect of column length on the result? 2) Is this structure statically determinate or indeterminate? Why?
hree identical circular A36 steel columns, A, B, and C, are carrying a 750kN block. The diameter of each column is 30mm. Calculate the normal stress on each column when column B is heated from 20oC to 25oC. Consider: EA36 =200GPa A36 =0.000012 oC-1 1) What is the effect of column length on the result? 2) Is this structure statically determinate or indeterminate? Why?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Three identical circular A36 steel columns, A, B, and C, are carrying a 750kN block.
The diameter of each column is 30mm. Calculate the normal stress on each column when column B is
heated from 20oC to 25oC.
Consider:
EA36 =200GPa
A36 =0.000012 oC-1
1) What is the effect of column length on the result?
2) Is this structure statically determinate or indeterminate? Why?
Transcribed Image Text:Question 2: Three identical circular A36 steel columns, A, B, and C, are carrying a 750kN block.
The diameter of each column is 30mm. Calculate the normal stress on each column when column B is
heated from 20°C to 25°C.
Consider:
EA36=200GPa
a A36=0.000012 °C-1
A
Block
B
C
2m2m
Reflection:
1) What is the effect of column length on the result?
2) Is this structure statically determinate or indeterminate? Why?
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