So, I dont know if the best option could be with:
-User Defined Result, and ENFOY expression with a defined PATH.
-User Defined Result, and ENFOY expression in the edge that joint the weld with the plate.
-Force Reaction in the edge that joint weld with the plate.
But what I know is that the sum of the values obtained there (in one weld), have to be half of the apllied tensile force.