Purpose: Used to specify bearing stiffener thickness or set its limits for design generation.
--> Given in girder design input
Bearing stiffener thickness design settings (Default limits: 0.5-2.0 inches or 12-50 mm). Bearing stiffener thickness can be specified (USE BST), or limits can be adjusted (UPPER LIMIT BST, LOWER LIMIT BST) using a single value, or a list of values to vary by web section.