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Erschienen in:
2023 | OriginalPaper | Buchkapitel
Calculation of the Normal Force and Bending Moment from Compression Stresses in Concrete
verfasst von : Mukhlis Hajiyev, Fovzi Guliyev, Dmytro Ovsii
Erschienen in: Proceedings of the 4th International Conference on Building Innovations
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Abstract
Calculating reinforced concrete structures based on a nonlinear deformation model, it is important to calculate the normal force and bending moment from the compression stress that occurs in concrete in cross section. An essential role in the development of a nonlinear model for calculating reinforced concrete structures at an arbitrary load level is played by the presence of an expression of the bending vector and the bending moment formed from compression stresses arising during detonation. It is accepted that the hypothesis of flat sections for a reinforced concrete section up to the moment of complete collapse is correct. Using this hypothesis and the fractional rational expression of concrete proposed by Eurocode during compression, analytical expressions were obtained for the normal force and bending moment depending on the level of deformation on the compressible section face and the height of the compressible section zone for an arbitrary load level.