Weld Joint - Butt Joint Calculation - Normal and Shear Load

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Weld Joint - Butt Joint Calculation - Normal and Shear Load

The following equations will determine the resultant reduced stress applied to a butt welded joint under going shear and normal loading.

Resultant Reduced Stress Formula

Resultant Reduced Stress Formula

Where:

σR

 = Resultant Reduced Stress [MPa,psi]
σ1 , σ2 = Normal stress [MPa,psi]

τ

= Shear stress [MPa,psi]

Reference Stress Formula

Reference Stress Formula

Were :

σS

= Reference Stress [MPa, psi]

σ1, σ2, σ3 = Normal Stress  [MPa,psi]

τ

= Shear stress [MPa,psi]

α1, α2

= Coefficient of weld joint