What is the meaning of biaxial stress?

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SSC JE Civil 16 Nov 2022 Shift 1 Official Paper
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  1. Stress acting along two axes
  2. Stress acting along more than two axes
  3. Stress acting along tangential direction only
  4. Stress acting along only one axis

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Option 1 : Stress acting along two axes
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Explanation:

Biaxial Stress:

A two-dimensional state of stress in which only two normal stresses are present is called biaxial stress. Or in other words, if there are three mutually perpendicular principal stresses, two-act in the same plane and one is zero.

F1 Vinanti Engineering 14.12.22 D1

Triaxial stress:

An element or object that is subjected to principal stresses in three mutually perpendicular directions is called triaxial stress.

F1 Vinanti Engineering 14.12.22 D2

Uniaxial stress:

An element or object that is subjected to principal stresses in only one direction is said to be under uniaxial stress.

F1 Vinanti Engineering 14.12.22 D3

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