Question 1 A beam is undergoing bending deformation, whose cross-section is shown in Figure Q1. a) Determine the cross-sectional properties Igx, lyy and Iyy. b) Determine the direct (bending) stress distribution in the section beam, produced by a positive bending moment, M,. The cross-section is anti-symmetric with centroid at the mid-point of the vertical web. No moment is applied about the y-axis, i.e. M, = 0. M, Figure Q1

Structural Analysis
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Chapter2: Loads On Structures
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Question 1
A beam is undergoing bending deformation, whose cross-section is shown in Figure Q1.
a) Determine the cross-sectional properties lxx, lyy and Iy.
b) Determine the direct (bending) stress distribution in the section beam, produced by a
positive bending moment, M,.
The cross-section is anti-symmetric with centroid at the mid-point of the vertical web. No
moment is applied about the y-axis, i.e. M, = 0.
2
2
M.
2
h
2
Figure Q1
Transcribed Image Text:Question 1 A beam is undergoing bending deformation, whose cross-section is shown in Figure Q1. a) Determine the cross-sectional properties lxx, lyy and Iy. b) Determine the direct (bending) stress distribution in the section beam, produced by a positive bending moment, M,. The cross-section is anti-symmetric with centroid at the mid-point of the vertical web. No moment is applied about the y-axis, i.e. M, = 0. 2 2 M. 2 h 2 Figure Q1
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