Lateral Buckling: A Comparison of AISC-LRFD and Eurocode 3

by Reynaud L. Serrette, (A.M.ASCE), Santa Clara Univ, Santa Clara, United States,

Document Type: Proceeding Paper

Part of: Structures Congress XII


The nominal moment capacity of laterally unsupported, doubly-symmetric, steel I-beams are computed and compared using the AISC-LRFD and EC 3 design recommendations. A review of the EC 3 specification shows that these design recommendations provide a consistent and unified method for treatment of local-lateral interaction buckling modes for doubly-, singly-, and non-symmetric sections, compared to the AISC-LRFD recommendations. It is suggested that similar design guidelines may also be developed in the United States by incorporating the AISI-LRFD design recommendations for local buckling in the AISC-LRFD design recommendations for lateral buckling.

Subject Headings: Structural design | Buckling | Steel beams | Standards and codes | Structural steel | Steel structures | Moment (mechanics) | United States

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