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Erschienen in:
2020 | OriginalPaper | Buchkapitel
Reinforced Concrete Rod Elements Stiffness Considering Concrete Nonlinear Properties
verfasst von : T. Azizov, D. Kochkarev, T. Galinska
Erschienen in: Proceedings of CEE 2019
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Abstract
In this paper results of stiffness iterative determination technique while torsion the reinforced concrete rod elements considering concrete nonlinear properties is given. The section of the element is divided into several rectangular elements. The shearing torsions at each iteration step are determined by the distribution of torsions, which magnitude is higher than the limit, over the elements where the torsions are in the elastic area. An algorithm for obtaining points on the “Torque moment is relative twisting angle” diagram of a reinforced concrete rod elements is given. Its advantage from a similar technique is that shear torsions are determined directly from the concrete shear diagram, and not according to the formulas of the elasticity theory. The above algorithm enables to calculate reinforced concrete rod elements using any concrete shear diagrams obtained both experimentally and theoretically, as well as elements of any cross-section. Limiting torsions are determined directly from the concrete shear diagram.