Flange and stiffener stress in an all-welded plate girder.

It will be readily agreed upon by almost any engineer associated with the structural steel fabricating industry, that one of the most convenient and economical types of structural components in use today is the plate girder. Almost every structure built, which has long spans or has heavy loads to be carried, whether it be a building or a bridge, will have one or several of these most practical members. Until recently, specifications gave sufficiently wide scope to the designer to make these girders applicable in almost any case