Steel bars and an aluminum bar support the rigid slab as a platform as shown below. A gap A= 0.26 mm exists between the aluminum bar and the slab. Neglecting the weight of the slab A (mm²) 350 400 a (/degree celsius) 11.6x10 23.1x10° E (GPa) Steel bar Aluminum bar 200 70 a) Which temperature increase AT is required to just close the spacing at the middle? (Note that the temperature increase will subject all bars) b) What are the stresses in the steel bars and aluminum bar for AT = 90 degree celsius in MPa?
Steel bars and an aluminum bar support the rigid slab as a platform as shown below. A gap A= 0.26 mm exists between the aluminum bar and the slab. Neglecting the weight of the slab A (mm²) 350 400 a (/degree celsius) 11.6x10 23.1x10° E (GPa) Steel bar Aluminum bar 200 70 a) Which temperature increase AT is required to just close the spacing at the middle? (Note that the temperature increase will subject all bars) b) What are the stresses in the steel bars and aluminum bar for AT = 90 degree celsius in MPa?
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter3: The Structure Of Real Materials
Section: Chapter Questions
Problem 3.12P
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![Steel bars and an aluminum bar support the rigid slab as a platform as shown below. A gap A= 0.26 mm
exists between the aluminum bar and the slab. Neglecting the weight of the slab
a (/degree celsius)
11.6х106
23.1x106
A (mm²)
Steel bar
Aluminum bar
E (GPa)
200
70
350
400
a) Which temperature increase AT is required to just close the spacing at the middle? (Note that the
temperature increase will subject all bars)
b) What are the stresses in the steel bars and aluminum bar for AT = 90 degree celsius in MPa?
1000 mm
Steel
Aluminum
Steel](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc27c355d-f544-4d20-a004-48b89d993876%2Fe0ab27b5-80ab-4f67-9129-a1c217cd3c48%2Fjasusbe_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Steel bars and an aluminum bar support the rigid slab as a platform as shown below. A gap A= 0.26 mm
exists between the aluminum bar and the slab. Neglecting the weight of the slab
a (/degree celsius)
11.6х106
23.1x106
A (mm²)
Steel bar
Aluminum bar
E (GPa)
200
70
350
400
a) Which temperature increase AT is required to just close the spacing at the middle? (Note that the
temperature increase will subject all bars)
b) What are the stresses in the steel bars and aluminum bar for AT = 90 degree celsius in MPa?
1000 mm
Steel
Aluminum
Steel
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