Imperfections for the LTB‐design of Members with I‐sections

نویسندگان

چکیده

Abstract For the stability assessment of members and structures according to EN 1993‐1‐1 equivalent member method, geometrical nonlinear calculation with imperfections or GMNIA analysis residual stresses can be used alternatively. The second possibility requires a corresponding model for cross‐section resistance. verification lateral torsional buckling, bow e0 out plane are defined, which lead in combination given loading non‐linear bending M z torsion members. amplitudes highly dependent on nature approach (e.g., scaling buckling shape, assumption imperfections) resistance Within framework scientific work supervised by TU Dresden Darmstadt [1], extensive parameter studies were carried calibrate based GMNIA. After determining design models section resistance, this paper presents results these shows calibration standardisation proposal EN1993‐1‐1. evaluation data necessary simplifications practice leads appropriate definitions imperfection values e 0,LT differentiations.

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ژورنال

عنوان ژورنال: ce/papers

سال: 2022

ISSN: ['2509-7075']

DOI: https://doi.org/10.1002/cepa.1758