If d and t are the effective depth and thickness of a beam respectively and ϵ is the yield stress ratio, the webs shall be checked for shear buckling when ________.
1
d/t > 67 ϵ
2
d/t < 67 ϵ
3
b/t < 67 ϵ
4
b/t > 67 ϵ
If d and t are the effective depth and thickness of a beam respectively and ϵ is the yield stress ratio, the webs shall be checked for shear buckling when ________.