Imperfections for the calculation of steel structures by the finite element method. Part 2
https://doi.org/10.33979/2073-7416-2024-113-3-3-11
Abstract
It is well known that imperfections are always present in structural elements. Imperfections can significantly affect the behavior and bearing capacity of steel structures, especially in the case of stability-related tasks. Therefore, inconsistencies must be taken into account in the load[1]bearing capacity model and their correct application (setting the shape and value) is a key point in the numerical analysis process. In recent decades, much attention has been paid in the domestic scientific space to updating imperfection models for use in numerical models, including taking into account modern more accurate manufacturing and installation technologies for steel structures. The purpose of this study is an analytical review and analysis of scientific research and technical literature, followed by synthesis and elaboration of recommendations on imperfections in relation to the calculation of steel structures using computer modeling technology, including the finite element method. The results of the study contain instructions on how to set the shapes and values of imperfections for different groups of imperfections. The article consists of two parts. The first part is devoted to the study of geometric imperfections, residual stresses and rules for the combination of imperfections, the second part of the article is devoted to equivalent imperfections.
About the Author
V. V. Nadolski
Brest State Technical University; Belarusian National Technical University
Belarus
Belarus
Nadolski Vitali V. - candidate of technical science (PhD), docent, associated professor of the department of Building constructions (BSTU Brest); Associate Professor of the Department of Building Structures (BNTU, Minsk)
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Review
For citations:
Nadolski V.V. Imperfections for the calculation of steel structures by the finite element method. Part 2. Building and Reconstruction. 2024;(3):3-11. (In Russ.) https://doi.org/10.33979/2073-7416-2024-113-3-3-11
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