7.5-1 A rectangular steel plate with thickness 1 = 16 mm is subjected to uniform normal stresses o, and o ,, as shown in the figure. Strain gages A and B, oriented in the x and y directions, respectively, are attached to the plate. The gage readings give normal strains ɛ, = 0.00065 (elongation) and ɛ, = 0.00040 (elongation). Knowing that E = 207 GPa and v = 0.3, deter- mine the stresses o, and o, and the change Ar in the thickness of the plate. %3D PROBLEM 7.5-1 and 7.5-2

7.5-1 A rectangular steel plate with thickness 1 = 16 mm is subjected to uniform normal stresses o, and o ,, as shown in the figure. Strain gages A and B, oriented in the x and y directions, respectively, are attached to the plate. The gage readings give normal strains ɛ, = 0.00065 (elongation) and ɛ, = 0.00040 (elongation). Knowing that E = 207 GPa and v = 0.3, deter- mine the stresses o, and o, and the change Ar in the thickness of the plate. %3D PROBLEM 7.5-1 and 7.5-2

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.5.1P: 1 A rectangular steel plate with thickness t = 5/8 in. is subjected to uniform normal stresses a and...

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Question

7.5-1 A rectangular steel plate with thickness
1 = 16 mm is subjected to uniform normal stresses
o, and o ,, as shown in the figure. Strain gages A and
B, oriented in the x and y directions, respectively, are
attached to the plate. The gage readings give normal
strains ɛ, = 0.00065 (elongation) and ɛ, = 0.00040
(elongation).
Knowing that E = 207 GPa and v = 0.3, deter-
mine the stresses o, and o, and the change Ar in the
thickness of the plate.
%3D
PROBLEM 7.5-1 and 7.5-2

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