Purpose: Used to specify web thickness or set its limits for design generation.
--> Given in girder design input
Web thickness (if box girder, WT is the thickness of one web), (Default limits: 0.31-1.0 inches or 8-25 mm). Web thickness can be specified (USE WT), or limits can be adjusted (UPPER LIMIT WT, LOWER LIMIT WT) using a single value, or a list of values to vary by web section.