The concrete sections of a certain superhighway are designed to have a length of 23.0 m. The sections are poured and cured at 10.0 c. What minimum spacing should the engineer leave between the sections to eliminate buckling if the concrete is to reach a temperature of 59.0°C7 (Note: If applicable, use this table to solve the problem.) cm

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Chapter1: Temperature And Heat
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Problem 104AP: An engineer wants to design a structure in which the difference in length between a steel beam and...
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Average Expansion Coefficients for Some Materials Near Room Temperature
Average Volume
Expansion
Coefficient
(B)(*C)-!
Average Linear
Expansion
Coefficient
Material
Material
(Solids)
(a)(°C)-!
(Liquids and Gases)
24 x 10-6
19 x 10-6
1.5 x 10-4
1.12 x 10
1.24 x 10-4
Aluminum
Acetone
Brass and bronze
Alcohol, ethyl
Benzene
Concrete
12 x 10-6
17 x 10-6
9 x 10-6
Copper
Glass (ordinary)
Glass (Pyrex)
Invar (Ni-Fe alloy)
Gasoline
9.6 x 10-4
Glycerin
Mегcury
Turpentine
Air at 0°C
4.85 X 10 4
1.82 x 10-4
9.0 x 10-4
3.67 x 10-3
3.2 x 10-6
0.9 x 10-6
Lead
29 x 10-6
Steel
11 x 10-6
Helium
3.665 X 10-3
"Gases do not have a specific value for the volu me expansion coefficient because the amount of expansion depends
on the type of process through which the gas is taken. The values given here assume the gas undergoes an expansion
at constant pressure.
Transcribed Image Text:Average Expansion Coefficients for Some Materials Near Room Temperature Average Volume Expansion Coefficient (B)(*C)-! Average Linear Expansion Coefficient Material Material (Solids) (a)(°C)-! (Liquids and Gases) 24 x 10-6 19 x 10-6 1.5 x 10-4 1.12 x 10 1.24 x 10-4 Aluminum Acetone Brass and bronze Alcohol, ethyl Benzene Concrete 12 x 10-6 17 x 10-6 9 x 10-6 Copper Glass (ordinary) Glass (Pyrex) Invar (Ni-Fe alloy) Gasoline 9.6 x 10-4 Glycerin Mегcury Turpentine Air at 0°C 4.85 X 10 4 1.82 x 10-4 9.0 x 10-4 3.67 x 10-3 3.2 x 10-6 0.9 x 10-6 Lead 29 x 10-6 Steel 11 x 10-6 Helium 3.665 X 10-3 "Gases do not have a specific value for the volu me expansion coefficient because the amount of expansion depends on the type of process through which the gas is taken. The values given here assume the gas undergoes an expansion at constant pressure.
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The concrete sections of a certain superhighway are designed to have a length of 23.0 m. The sections are poured and cured at 10.0°C. What minimum spacing should the engineer leave between the sections to eliminate buckling if the
concrete is to reach a temperature of 59.0°C? (Note: If applicable, use this table to solve the problem.)
cm
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Transcribed Image Text:MY NOTES ASK YOUR TEACHER The concrete sections of a certain superhighway are designed to have a length of 23.0 m. The sections are poured and cured at 10.0°C. What minimum spacing should the engineer leave between the sections to eliminate buckling if the concrete is to reach a temperature of 59.0°C? (Note: If applicable, use this table to solve the problem.) cm Need Help? Read it Watch it
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