Structural Analysis
Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Methods to Determine Vertical Stress
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11-58. The measured strains for an equiangular rosette, attached to a stressed aluminum alloy member,are E0 = +400 micro m/m,E60 = +400 micro m/m, and E 120 = -600 micro m/m. What are the principal stresses and in which directions do they act?
Given E =70 GPa, and v = 0.25.

 

11-58. The measured strains for an equiangular rosette, attached to a stressed aluminum alloy member, are ɛ = +400 µm/m, Ew = +400 µm/m, and ɛ120 = -600 µm/m. What are the principal stresses and in which directions do they act? E = 70 GPa, and v = 0.25.
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Transcribed Image Text:11-58. The measured strains for an equiangular rosette, attached to a stressed aluminum alloy member, are ɛ = +400 µm/m, Ew = +400 µm/m, and ɛ120 = -600 µm/m. What are the principal stresses and in which directions do they act? E = 70 GPa, and v = 0.25.
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