Q.7 A three element rectangular rosette strain gage is mounted on a steel specimen. For a :200H, EB = = 900μ, particular state of loading of the structure the strain gage readings are A and Ec= 1000μ. Determine the values and orientations of the principal stresses and the value of the maximum shear stress at the point. Let E = 200GPa and v= 0.285.

Q.7 A three element rectangular rosette strain gage is mounted on a steel specimen. For a :200H, EB = = 900μ, particular state of loading of the structure the strain gage readings are A and Ec= 1000μ. Determine the values and orientations of the principal stresses and the value of the maximum shear stress at the point. Let E = 200GPa and v= 0.285.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Q.7 A three element rectangular rosette strain gage is mounted on a steel specimen. For a
:200H, EB
=
=
900μ,
particular state of loading of the structure the strain gage readings are A
and Ec=
1000μ. Determine the values and orientations of the principal stresses and the value
of the maximum shear stress at the point. Let E = 200GPa and v= 0.285.

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Step 1: Given and required

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Step 2: Determination of normal and shear strain components

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Step 3: Determination of normal and shear stress

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Step 4: Determination of principal stresses

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Step 5: Determination of orientation of principal stresses

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Step 6: Determination of maximum shear stress

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