In triangular section, at which height shear stress maximum?

Q.  Maximum shear stress in a triangular section ABC of height H and base B occurs at _________
- Published on 21 Sep 15

a. H
b. H/2
c. H/3
d. neutral axis

ANSWER: H/2

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    Discussion

  • ashis dutta   -Posted on 17 Aug 18
    above the neutral axis ..in triangle cross section.
  • Ramen Baskey   -Posted on 26 Jun 18
    traigle circular section
  • Rajesh   -Posted on 31 Jul 17
    It is wrong answer
  • Sravanthi   -Posted on 24 Nov 15

    - In rectangular section, maximum shear stress acts on the neutral axis and is zero at both top and bottom surface.

    - In triangular section, maximum shear stress does not act on the neutral axis but occurs at a distance of H/2.



    - Maximum shear stress at neutral axis is given as

    τ = (8/3) (S/bh)

    S is the shear force, b is the base and H is the height of triangle.

    - Maximum shear stress at H/2 is given as

    τ = (3/2) τavg

    here, τavg = (S/bH)

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