Determine the moment M that should be applied to the beam in order to create a compressive stress at point D of σD = 30 MPa. Also sketch the stress distribution acting over the cross section and calculate the maximum stress in the beam. Construct the stress distribution in 2D similar to in-class examples, rather than isometrically similar to the textbook examples for clarity. Hint: The maximum stress will occur at the extreme fiber (Either top or bottom). For symmetric cross- sections, the extreme fiber for the tensile and compressive stresses will have the same magnitude. A 25 mm M D 150 mm 25 mm 25 mm B 150 mm 25 mm
Determine the moment M that should be applied to the beam in order to create a compressive stress at point D of σD = 30 MPa. Also sketch the stress distribution acting over the cross section and calculate the maximum stress in the beam. Construct the stress distribution in 2D similar to in-class examples, rather than isometrically similar to the textbook examples for clarity. Hint: The maximum stress will occur at the extreme fiber (Either top or bottom). For symmetric cross- sections, the extreme fiber for the tensile and compressive stresses will have the same magnitude. A 25 mm M D 150 mm 25 mm 25 mm B 150 mm 25 mm
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter6: Stresses In Beams (advanced Topics)
Section: Chapter Questions
Problem 6.5.5P: A beam made up all woun equal leg angles is subjected to a bending moment M having its vector .u an...
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![Determine the moment M that should be applied to the beam in order to create a compressive stress
at point D of σD = 30 MPa. Also sketch the stress distribution acting over the cross section and
calculate the maximum stress in the beam.
Construct the stress distribution in 2D similar to in-class examples, rather than isometrically similar
to the textbook examples for clarity.
Hint: The maximum stress will occur at the extreme fiber (Either top or bottom). For symmetric cross-
sections, the extreme fiber for the tensile and compressive stresses will have the same magnitude.
A
25 mm
M
D
150 mm
25 mm
25 mm
B
150 mm
25 mm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff787f97c-9dc4-4f39-97ba-c4c8bbc1d69b%2Ffcd47151-1753-41ed-9e21-4af269584a01%2F06qjg9p_processed.png&w=3840&q=75)
Transcribed Image Text:Determine the moment M that should be applied to the beam in order to create a compressive stress
at point D of σD = 30 MPa. Also sketch the stress distribution acting over the cross section and
calculate the maximum stress in the beam.
Construct the stress distribution in 2D similar to in-class examples, rather than isometrically similar
to the textbook examples for clarity.
Hint: The maximum stress will occur at the extreme fiber (Either top or bottom). For symmetric cross-
sections, the extreme fiber for the tensile and compressive stresses will have the same magnitude.
A
25 mm
M
D
150 mm
25 mm
25 mm
B
150 mm
25 mm
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