Abstract
The features of the stress-strain state of reinforced concrete beams subject to biaxial bending are described. The analysis of various methods for calculating the strength along normal sections of reinforced concrete members under biaxial bending, proposed by both various scientists and standards, is presented. The main prerequisites for calculating each method, similarities and differences are noted. A comparison of the experimental values of the ultimate bending moments perceived by the cross sections of reinforced concrete specimens subjected to biaxial bending with the theoretical values determined by different methods is performed. Engineering methods for strength design of reinforced concrete members under biaxial bending based on the generally accepted prerequisites for calculating such members using a rectangular stress distribution diagram in concrete of a compressed zone, as well as methods based on the properties of isostatic curves, showed sufficient accuracy of the results of determining the load-bearing capacity with the test data of reinforced concrete beams of rectangular cross section.
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Vorontsova, N., Rudniy, I., Bezlepkin, S., Phan, VP. (2022). Stress-Strain State and Bearing Capacity of Members Under Biaxial Bending. In: Manakov, A., Edigarian, A. (eds) International Scientific Siberian Transport Forum TransSiberia - 2021. TransSiberia 2021. Lecture Notes in Networks and Systems, vol 403. Springer, Cham. https://doi.org/10.1007/978-3-030-96383-5_150
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