Analysis of plastic resistance of Z-sections under combination of various internal forces is presented. Hot-rolled Z-sections of Class 1, 2 or 3 are analysed. Elastic cross-sectional properties of hot-rolled Z-sections may be taken also from German standard DIN 1027:2004-04. It is shown that some values in DIN 1027:2004-04 are incorrect. Roll formed Z-sections may be seen in various steel constructions such as commercial buildings, large storage bins, mezzanine flooring, racking, residential garage doors, fencing, etc. Some commercial computer programs calculate elastic and plastic cross-sectional characteristics and resistances to the both kind of axes: y-y and z-z and also to principal axes u-u and v-v. Unfortunately some of their results are incorrect. The paper offers for Z-sections the formulae for calculation of: a) cross-sectional elastic and plastic characteristics, b) elastic and plastic resistances including their maximum values which may be achieved with combination of other internal force. Numerical examples show details of calculation, comparison with results of other sources and interaction diagrams as well. The presented procedure will be useful for designers in practice, authors of computer programs and participants in educational processes.
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27 September 2023
WORLD MULTIDISCIPLINARY CIVIL ENGINEERING-ARCHITECTURE-URBAN PLANNING SYMPOSIUM WMCAUS 2022
5–9 September 2022
Prague, Czech Republic
Research Article|
September 27 2023
Plastic resistance of Z-sections under various internal forces
Ivan Baláž;
Ivan Baláž
a)
1
Department of Metal and Timber Structures, Faculty of Civil Engineering, STU in Bratislava
, Radlinského 11, 810 05 Bratislava, Slovak Republic
a)Corresponding author: ivan.balaz@stuba.sk
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Yvona Koleková;
Yvona Koleková
2
Department of Structural Mechanics, Faculty of Civil Engineering, STU in Bratislava
, Radlinského 11, 810 05 Bratislava, Slovak Republic
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Antonio Agüero
Antonio Agüero
3
Department of Continuous Medium Mechanics and Theory of Structures, Universitat Politècnica de València
, c/Camino de Vera s/n, 46022 Valencia, Spain
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a)Corresponding author: ivan.balaz@stuba.sk
AIP Conf. Proc. 2928, 150013 (2023)
Citation
Ivan Baláž, Yvona Koleková, Antonio Agüero; Plastic resistance of Z-sections under various internal forces. AIP Conf. Proc. 27 September 2023; 2928 (1): 150013. https://doi.org/10.1063/5.0170538
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