Figure 4 – uploaded by Omar Ibrahim

an approach to produce quantitative guidelines for the welding of thick steel plates.  in the flat position

Figure 2: Material properties used in the stress analysis model at elevated temperatures based on

Figure 3: Studied paths in the transverse direction for, a) Built-up heavy box column model, b

Figure 4: Studied paths in the longitudinal direction for, a) Built-up heavy box column model, b)

initiate (adapted from Ibrahim et al. (2017)).

Figure 6: Effect of the welding temperature on the residual stress distribution and the critical

slowest welding travel speed provides lower tensile stress values at a wider area in the base metal.  Figure 7: Effect of the welding travel speed on the residual stress distribution and the critical

sizes is studied for the flat plate model. Figure 11 shows the transverse stress distributions for the

Figure 11: Effect of plate thickness on the transverse residual stress distribution due to welding

Figure 13: Transverse and longitudinal residual stresses through the plate thickness near the  welding region for all plate thicknesses studied.

Figure 15: Effect of number of welding passes on the transverse residual stress  (small size passes) and the commonly used number of passes with unequal pass sizes.

Figure 17: Transverse plastic strains after completion of half the welding procedure for the 5  the strains of the base metal); the 5-pass case shows a wider plastic strain area than the 20-pass

Figure 18: Effect of the number of welding passes on the critical crack size for a longitudinal  Based on the stated results thick steel plates are sensitive to the number of heating and cooling

from the figure to clarify the comparison between the welding procedures).  Figure 19: Residual transverse stress distribution and deformation (Scale factor = 5) for the four