Civil Engineering - GATE Exam Questions - Discussion

37. 

If an element of a stressed body is in a state of pure shear with a magnitude of 80 N/mm2 , the magnitude of maximum principal stress at that location is

[A]. 80 N/mm2
[B]. 113.14 N/mm2
[C]. 120 N/mm2
[D]. 56.57 N/mm2

Answer: Option A

Explanation:

No answer description available for this question.

Sky said: (Feb 3, 2018)  
For pure shear 6x & 6y are 0 hence t max = txy.

Keshav Kaushik said: (Jan 6, 2019)  
For pure shear:

Stress in x-direction is 0.
Stress in y-direction is 0.

Maximum principal stress:

(σ x + σ y)/2 + (1/2)* {√( σ x - σ y)^2 + 4(shear stress)^2 }

So, Ans = 80N/mm^2.

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