A bronze bar is fastened between a steel bar and an aluminum bar as shown in Fig. P-211. Axial loads are applied at the positions indicated. The allowed overall deformation is 3.0 mm, or the following stresses: 140 MPa in the steel, 120 MPa in the bronze, and 80 MPa in the aluminum. Assume that the assembly is suitably braced to prevent buckling. Use Eşt = 200 GPa, Eal = 70 GPa, and Еw 3D 83 GPa. Steel Bronze Aluminum A = 480 mm? A = 650 mm? A = 320 mm? 3P 4P 2P 1.0 m 2.0 m 1.5 m Figure P-211 9. Find the largest value of P.
A bronze bar is fastened between a steel bar and an aluminum bar as shown in Fig. P-211. Axial loads are applied at the positions indicated. The allowed overall deformation is 3.0 mm, or the following stresses: 140 MPa in the steel, 120 MPa in the bronze, and 80 MPa in the aluminum. Assume that the assembly is suitably braced to prevent buckling. Use Eşt = 200 GPa, Eal = 70 GPa, and Еw 3D 83 GPa. Steel Bronze Aluminum A = 480 mm? A = 650 mm? A = 320 mm? 3P 4P 2P 1.0 m 2.0 m 1.5 m Figure P-211 9. Find the largest value of P.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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(unit in kN).
Transcribed Image Text:Situation E.
A bronze bar is fastened between a steel bar and an
aluminum bar as shown in Fig. P-211. Axial loads are
applied at the positions indicated. The allowed overall
deformation is 3.0 mm, or the following stresses: 140 MPa
in the steel, 120 MPa in the bronze, and 80 MPa in the
aluminum. Assume that the assembly is suitably braced to
prevent buckling. Use Est = 200 GPa, Eal = 70 GPa, and
Ebr = 83 GPa.
Steel
Bronze
Aluminum
A = 480 mm?
A = 650 mm?
A = 320 mm?
3P
4P
2P
1.0 m
2.0 m
1.5 m
Figure P-211
9. Find the largest value of P.
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