Hello, in the program, the combinations of lovers are formed automatically. You will need to delete them to define a different combination. First of all, to define a welded joint; Divide your lovers with the command "merge-divide all intersections". Then delete the automatically generated joints and define your welded joint. In addition, define your coating definition directly on your purlins with the purlin overlay command. In this way, the loads from the coatings will be transferred to your lovers.
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