Advanced Structural Analysis/Part I - Theory/Failure Modes/Plastic Failure/Special Members/Welds/Fillet Welds

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Nomenclature[edit | edit source]

characteristic ultimate stress of parent material
characteristic ultimate stress of electrode material
dimensioning ultimate stress of joint
application partial coefficient
reduction factor that corresponds to the weld class
transverse load
longitudinal load
surface area of investigated cross section
angle between transverse load and the investigated cross section

Summary of Formulas[edit | edit source]

Where:

;if
or,

;if

Interaction formula:

Partial Coefficients[edit | edit source]

in most cases. is acceptable for high quality butt welds.

or depending on whether failure repercussions are regarded as mild, severe or very severe.

Derivations[edit | edit source]