When the wind-resistant column is connected to the steel beam by a spring plate, is it not necessary to consider the length to slenderness ratio because the axial force is very small and there is no problem with the strength and stability of the column?
The wind columns are connected to the steel beams by spring plates. Ideally, the wind columns would be bending members, carrying only deadweight and wind loads.At this time, I personally believe that the length and slenderness ratio can be appropriately relaxed (220 250).The steel code does not specify wind columns, but only in 5.3.8 for compression columns, 150…In fact, the reality of many spring plate connection is a failure, some simply use Z-shaped steel plate instead, in this case, the wind column should be counted as a compression bending member, it has to bear part of the roof load, length and slenderness than the permissible number or conservative better (180 ^ 200).
