Purpose: Used to define the grade of steel for the bottom flange.
--> Given in girder input
Note that if any of the web, top flange or bottom flange steel is given by web section, then this form cannot be used and this component must also be given by web section.
Girder bottom flange steel grade is specified as follows:
A7 BOTTOM FLANGE STEEL
A36 BOTTOM FLANGE STEEL
A514 BOTTOM FLANGE STEEL
A572 BOTTOM FLANGE STEEL (Note: A572 is grade 50)
A588 BOTTOM FLANGE STEEL
A852 BOTTOM FLANGE STEEL
M270-36 BOTTOM FLANGE STEEL
M270-50 BOTTOM FLANGE STEEL
M270-50W BOTTOM FLANGE STEEL
HPS-50W BOTTOM FLANGE STEEL (LRFD only)
HPS-70W BOTTOM FLANGE STEEL
M270-100 BOTTOM FLANGE STEEL
M270-100W BOTTOM FLANGE STEEL
M183 BOTTOM FLANGE STEEL
M222 BOTTOM FLANGE STEEL
M223 BOTTOM FLANGE STEEL
M244 BOTTOM FLANGE STEEL
M270M-250 BOTTOM FLANGE STEEL
M270M-345 BOTTOM FLANGE STEEL
M270M-345W BOTTOM FLANGE STEEL
M270M-485W BOTTOM FLANGE STEEL
M270M-690 BOTTOM FLANGE STEEL
M270M-690W BOTTOM FLANGE STEEL
Note: The BOTTOM FLANGE STEEL condition overrides FYBF and FYBSPL data if both are given.
(Also see STEEL , TOP FLANGE STEEL , WEB STEEL , STIFFENER STEEL , FOR SECTION i, j, … )
irder Definition Input Reference