Purpose: Used to define longitudinal web stiffeners.
--> Given in girder input
Places longitudinal stiffener near the compression flange of the girder. One stiffener on inside of each web for box girder. By default the stiffener is placed at D/5 from the compression flange. (Also see LONGSP , TWO LONGITUDINAL WEB STIFFENERS , BLONGSP , TLONGSP )