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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