Page 118 - DJJ 40173 compile notes - E-BOOK NEW EDIT WITH INDEX_Neat
P. 118
Strength of Butt Welds
◦ 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
