SW The composite bar shown in Fig. P-273 is firmly attached to unyielding supports. An axial force P = 50 kips is applied at 60°F. Compute the stress in each material at 120°F. Assume a = 6.5 × 10- 6 in/(in-°F) for steel and 12.8 x 10-6 in/(in.°F) for aluminum.

SW The composite bar shown in Fig. P-273 is firmly attached to unyielding supports. An axial force P = 50 kips is applied at 60°F. Compute the stress in each material at 120°F. Assume a = 6.5 × 10- 6 in/(in-°F) for steel and 12.8 x 10-6 in/(in.°F) for aluminum.

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter3: Tension Members

Section: Chapter Questions

Problem 3.8.3P

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The composite bar shown in Fig. P-273 is firmly
attached to unyielding supports. An axial force P =
50 kips is applied at 60°F. Compute the stress in
each material at 120°F. Assume a = 6.5 × 10
6 in/(in-°F) for steel and 12.8 × 10-6 in/(in·°F) for
aluminum.
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Aluminum
A = 2 in?
E = 10 x 10° psi
Steel
A = 3 in?
E = 29 x 10° psi
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15 in
10 in
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