Purpose: Used to indicate wind bracing locations.
--> Given in girder input
Used to apply a modification factor to live bottom flange stresses in curved girders according to 1.4(E) and 2.5(E) of the 1993 Curved Girder Guide Specification. Only effective when the condition 1993 CURVED GIRDER SPECIFICATION is used. (Also see WIND BRACING EVERY OTHER BAY )