oa Civil Engineering = Siviele Ingenieurswese - Local buckling of webs and flanges in plastic design to SABS 0162:1984
|Article Title||Local buckling of webs and flanges in plastic design to SABS 0162:1984|
|© Publisher:||South African Institution Of Civil Engineering (SAICE)|
|Journal||Civil Engineering = Siviele Ingenieurswese|
|Publication Date||Dec 1985|
|Pages||605 - 611|
|Keyword(s)||Buckling, Flange, I-sections, SABS 0162:1984, Steel and Strain-weakening|
Local buckling of the flanges and webs of I-sections are two of the most significant factors causing strain-weakening behaviour of plastically-designed steel structures. In the new South African code for steel design, SABS 0162:1984, the provisions for web buckling in particular appear to be over-conservative. The background theory to these requirements Is discussed and a new theoretical model proposed. The requirements of the code and the theoretical predictions are compared to the results of a series of tests in which the negative Influence of coincident axial force is apparent.
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