Page 118 - Fundamental of Engineering Design
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Strength of butt weld
◦ Tensile stress
σ = F/hl
σ = Tensile stres in the weld (N/mm )
2
F = Tensile force on the plates (N)
h = Throat of the butt weld (mm)
l = length of the weld
h = t = Thickness of the plates
◦ Shear Stress
τ = F/hl
◦ Efficiency of welded joint in fraction
η = P/ σtl
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