A welded steel plate girder consisting of two flange plates of 350 mm × 16 mm and a web plate of 500 mm × 6 mm, requires
1
No stiffeners
2
Horizontal stiffeners
3
Intermediate vertical stiffeners
4
Vertical and horizontal stiffeners
A welded steel plate girder consisting of two flange plates of 350 mm × 16 mm and a web plate of 500 mm × 6 mm, requires