The composite bar is firmly attached to unyielding supports. The bar is stress-free at 50°F. Compute the stress in each material after the 80-kip force is applied and the temperature is increased to 100°F. Use a = 6.5 x106/°F for steel and a = 12.8 x106/°F for aluminum. Aluminum A = 2 in.2 E = 10 x 106 psi 15 in. Steel A = 3 in.2 E = 29 × 106 psi 80 kips 10 in.
The composite bar is firmly attached to unyielding supports. The bar is stress-free at 50°F. Compute the stress in each material after the 80-kip force is applied and the temperature is increased to 100°F. Use a = 6.5 x106/°F for steel and a = 12.8 x106/°F for aluminum. Aluminum A = 2 in.2 E = 10 x 106 psi 15 in. Steel A = 3 in.2 E = 29 × 106 psi 80 kips 10 in.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The composite bar is firmly attached to unyielding supports. The bar is stress-free at 50°F. Compute
the stress in each material after the 80-kip force is applied and the temperature is increased to
100°F. Use a = 6.5 x106/°F for steel and a = 12.8 x106/°F for aluminum.
Aluminum
A = 2 in.²
E = 10 x 106 psi
15 in.
Steel
A = 3 in.2
E = 29 × 106 psi
80 kips
10 in.
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