Local Buckling And Post-Buckling Strength Of Tapered Member

Gabled frames are widely used in industry and civil engineering, it's web plates' local buckling calculated formula in the technical specification for steel-structure of one-storey light-weight buildings with gabled frames (CECS102:98) are based on the rectangular plates' and didn't consider the interaction of the fringe plate. So, there are some different between the actual members and the prescript of the specification, and the post-buckling strength's calculated formula is based on the local buckling's, it must have some unreasonable. On the basis of this, the paper makes a great deal of calculation and analysis in this part, different parameters' effect and stress gradient are included. Local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification.