The system shown is symmetrical, it consists of the axially deformable bars 1,2,3 and the uniform rigid bar of weight P. The material is aluminum with E=70GPa. It is required: a) Determine the axial forces in bars 1,2,3 as a function of P. b) If the allowable stress in traction is 150 MPa and the allowable stress in compression is 100 MPa, determine the maximum value of Q that you can have.
The system shown is symmetrical, it consists of the axially deformable bars 1,2,3 and the uniform rigid bar of weight P. The material is aluminum with E=70GPa. It is required: a) Determine the axial forces in bars 1,2,3 as a function of P. b) If the allowable stress in traction is 150 MPa and the allowable stress in compression is 100 MPa, determine the maximum value of Q that you can have.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The system shown is symmetrical, it consists of the axially deformable bars 1,2,3 and the uniform rigid bar of weight P. The material is aluminum with E=70GPa. It is required: a) Determine the axial forces in bars 1,2,3 as a function of P. b) If the allowable stress in traction is 150 MPa and the allowable stress in compression is 100 MPa, determine the maximum value of Q that you can have.
Transcribed Image Text:D
Barra
1.2m
L (m)
Area
2
3
2
(mm2)
1
2.0
400
A'
A
1.2
800
2.4
1200
1,2m
B
1.6m
4.6m
23
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