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Comparative analysis of the results of calculation of eccentrically compressed reinforced concrete columns using a deformation model taking into account second-order effects

Abstract

Comparative analysis of the results of calculation of eccentrically compressed reinforced concrete columns using a deformation model taking into account second-order effects

Manaenkov I.K.

Incoming article date: 13.02.2024

The article discusses the areas of application of the deformation model and reviews studies related to its use for various design solutions and operating conditions. A method for calculating eccentrically compressed reinforced concrete elements that takes into account second-order effects is presented. This methodology takes into account the current provisions of regulatory documents. A selection of experimental data was made for flexible eccentrically compressed columns. Calculations of bearing capacity and deflections for selected samples were performed. Various forms of concrete deformation diagrams were used in the calculations. Based on comparison with experimental data, conclusions are drawn about the applicability of various types of diagrams for calculating bearing capacity and deflections.

Keywords: deformation model, stress-strain diagram, eccentrically compressed element, flexibility