Numerical investigation of the cold-formed I-beams bending strength with different web shapes

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Published Dec 22, 2021
DOI https://doi.org/10.3221/IGF-ESIS.59.12

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Nadia Kouider
Civil Engineering Laboratory, Badji Mokhtar- Annaba University, P. O. Box 12, 23000 Annaba, Algeria
Yazid Hadidane
Civil Engineering Laboratory, Badji Mokhtar- Annaba University, P. O. Box 12, 23000 Annaba, Algeria
Mohammed Benzerara
Materials, Geomaterials and Environment Laboratory, Department of Civil Engineering, Badji Mokhtar- Annaba University, P. O. Box 12, 23000 Annaba, Algeria

Abstract

The wide use of cold-formed sections (CFS) in the field of steel constructions, favored by the multiple advantages they offer (lightness, ease of installation, etc.), has led us to reflect on a new process for manufacture of metal beams allowing the design of very large span hangars and a reduction in instability problems. This paper presents a study of the theoretical and numerical behavior of a large span CFS beam with different webs, a solid web, a triangular corrugated web, and a trapezoidal corrugated web. These beams are stressed by a concentrated bending load at mid-span. Numerical modeling was done using the finite element software ABAQUS. The results were validated with those theoretically found, based on the effective width method adopted in standard EN1993-1-3. The load capacity and failure modes of the beams were discussed. According to numerical and analytical analysis, corrugated web beams perform better than all other sections.

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    Issue
    Vol. 16 No. 59 (2022): January 2022
    Section
    Miscellanea

    How to Cite

    Kouider, N., Hadidane, Y. and Benzerara, M. (2021) “Numerical investigation of the cold-formed I-beams bending strength with different web shapes”, Frattura ed Integrità Strutturale, 16(59), pp. 153–171. doi: 10.3221/IGF-ESIS.59.12.
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