Question
Download Solution PDFThe ratio of maximum shear stress to average shear stress in a circular section is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
As we know, Shear stress is given:
So, shear stress distribution across a circular section is parabolic.
With the increase of y, the shear stress decreases.
At y = R, τ = 0
At y = 0, τ = τmax
So at the neutral axis, the shear stress is maximum.
Average shear stress is:
So, Maximum shear stress becomes,
Important Points
For Rectangular shape τ max = (1.5) × τ avg
Last updated on Jun 4, 2025
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