Nonlinear and linear analysis of the overall stability of the load-bearing system of a high-rise building with a load-bearing trunk

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The results of numerical calculations can and should be verified, but testing a complex and detailed computational model is problematic. This possibility is provided by simplified models represented by simple computational schemes that are available for qualitative analysis, and the numerical results obtained are predictable. Such calculation schemes, as a rule, describe individual calculation tasks facing designers. For example, linear stability analysis is offered by the American Institute of Steel Structures (AISC). One of these models is discussed. The model under consideration is based on a linear analysis of the stability of a cantilever rack, which can be considered as a simple model of the bearing trunk of a high-rise building. A comparison of critical loads based on nonlinear and linear analysis of the stability of the cantilever rack is carried out. It is concluded that the considered linear model makes it possible to obtain a preliminary estimate of the critical load to verify the results of computer calculations using more complex models of the general stability of the equilibrium of the bearing trunk of a high-altitude object.

About the authors

Olga V. Inozemtseva

Construction Bureau “SmartProekt”

ORCID iD: 0000-0002-6608-7458

Candidate of Technical Sciences, leading designer

26B Bolshaya Pochtovaya St, bldg 2, Moscow, 105082, Russian Federation

Vyacheslav K. Inozemtsev

Saratov State Technical University named after Yu.A. Gagarin

Author for correspondence.
ORCID iD: 0000-0003-2817-0426

Doctor of Technical Sciences, Professor, Department of Building Materials, Structures and Technologies

77 Politekhnicheskaya St, Saratov, 410054, Russian Federation


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Copyright (c) 2022 Inozemtseva O.V., Inozemtsev V.K.

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