For the figure shown, if thetemperature dropped by 40° C in thealuminum rod, then the stress in thesteel rod is0.75m0175m*₹.rigid barSt.|L=1.5mA=250mm²E=200GPax = 12×106/CALL=1mA=1000mm²E=70 GP₂x=23x10620.7 MPa O55.4 MPa O42.6 MPa O83.1 MPa O61.5 MPa O

Answered: Image /qna-images/answer/a7cd0f6e-60b0-468b-91b6-a95614c948c2.jpg

For the figure shown, if the temperature dropped by 40° C in the aluminum rod, then the stress in the ...... steel rod is 0.75m * Z rigid bar St. |L=1.5m A=250mm² E=200GPa x = 12×10%C 0175m AL L=1m A=1000 mm² E=70 GPa x=23x106 20.7 MPa

For the figure shown, if the temperature dropped by 40° C in the aluminum rod, then the stress in the ...... steel rod is 0.75m * Z rigid bar St. |L=1.5m A=250mm² E=200GPa x = 12×10%C 0175m AL L=1m A=1000 mm² E=70 GPa x=23x106 20.7 MPa

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

For the figure shown, if the
temperature dropped by 40° C in the
aluminum rod, then the stress in the
steel rod is
0.75m
0175m
*
₹.
rigid bar
St.
|L=1.5m
A=250mm²
E=200GPa
x = 12×106/C
AL
L=1m
A=1000
mm²
E=70 GP₂
x=23x106
20.7 MPa O
55.4 MPa O
42.6 MPa O
83.1 MPa O
61.5 MPa O

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Step 1: Free change in the length of Aluminum rod due to temperature drop of 40

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Step 2: True change in the length of Aluminum rod

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Step 3: equating total elongations.

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Step 4: Moment equilibrium about A

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Step 5: Finding the value of force in steel

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Step 6: stress in steel rod

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