Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Calculation of a Compressed Reinforced Concrete Element with a Circular Cross Section Using a Three-Line Concrete Compression Scheme
https://orcid.org/http://orcid.org/0000-0002-1654-9722
The application of a nonlinear deformation model allows the maximum use of the ultimate strength of materials. In addition, only on the basis of such models that reflect reality as much as possible, it is possible to correctly evaluate the deformation solutions of a reinforced concrete element. The article develops an effective numerical engineering method for calculating compressed reinforced concrete elements of circular cross-section, which has been studied much less than traditional rectangular cross-sections. When constructing the proposed calculation method, it is assumed that the hypothesis of flat sections becomes true for such a complex cross-section, when cracks occur in the zones of stretching of the reinforced concrete element. For the most sharpened section by approximation of curved axis of the centrifugal compressed element axis sinus is also formulated the equations of equilibrium deformations of the shaft and ultimately the solution of the problem is reduced to solving a system of nonlinear algebraic equations taking into account deformation of the compressible edge of the cross section and the relative height of compression zone of the cross section. On the basis of the article, a three-line curves numerically with any accuracy determines the parameters characterizing the state of tensile deformation by increasing the strain values in all changes of deformation with defined steps. The load capacity of the compressible element is determined based on the “load-bending” graph, constructed numerically for the compressible element.
Calculation of a Compressed Reinforced Concrete Element with a Circular Cross Section Using a Three-Line Concrete Compression Scheme
https://orcid.org/http://orcid.org/0000-0002-1654-9722
The application of a nonlinear deformation model allows the maximum use of the ultimate strength of materials. In addition, only on the basis of such models that reflect reality as much as possible, it is possible to correctly evaluate the deformation solutions of a reinforced concrete element. The article develops an effective numerical engineering method for calculating compressed reinforced concrete elements of circular cross-section, which has been studied much less than traditional rectangular cross-sections. When constructing the proposed calculation method, it is assumed that the hypothesis of flat sections becomes true for such a complex cross-section, when cracks occur in the zones of stretching of the reinforced concrete element. For the most sharpened section by approximation of curved axis of the centrifugal compressed element axis sinus is also formulated the equations of equilibrium deformations of the shaft and ultimately the solution of the problem is reduced to solving a system of nonlinear algebraic equations taking into account deformation of the compressible edge of the cross section and the relative height of compression zone of the cross section. On the basis of the article, a three-line curves numerically with any accuracy determines the parameters characterizing the state of tensile deformation by increasing the strain values in all changes of deformation with defined steps. The load capacity of the compressible element is determined based on the “load-bending” graph, constructed numerically for the compressible element.
Calculation of a Compressed Reinforced Concrete Element with a Circular Cross Section Using a Three-Line Concrete Compression Scheme
https://orcid.org/http://orcid.org/0000-0002-1654-9722
The application of a nonlinear deformation model allows the maximum use of the ultimate strength of materials. In addition, only on the basis of such models that reflect reality as much as possible, it is possible to correctly evaluate the deformation solutions of a reinforced concrete element. The article develops an effective numerical engineering method for calculating compressed reinforced concrete elements of circular cross-section, which has been studied much less than traditional rectangular cross-sections. When constructing the proposed calculation method, it is assumed that the hypothesis of flat sections becomes true for such a complex cross-section, when cracks occur in the zones of stretching of the reinforced concrete element. For the most sharpened section by approximation of curved axis of the centrifugal compressed element axis sinus is also formulated the equations of equilibrium deformations of the shaft and ultimately the solution of the problem is reduced to solving a system of nonlinear algebraic equations taking into account deformation of the compressible edge of the cross section and the relative height of compression zone of the cross section. On the basis of the article, a three-line curves numerically with any accuracy determines the parameters characterizing the state of tensile deformation by increasing the strain values in all changes of deformation with defined steps. The load capacity of the compressible element is determined based on the “load-bending” graph, constructed numerically for the compressible element.
Calculation of a Compressed Reinforced Concrete Element with a Circular Cross Section Using a Three-Line Concrete Compression Scheme
Lecture Notes in Civil Engineering
Onyshchenko, Volodymyr (Herausgeber:in) / Mammadova, Gulchohra (Herausgeber:in) / Sivitska, Svitlana (Herausgeber:in) / Gasimov, Akif (Herausgeber:in) / kizi, Ulviye Hajiyeva Mukhlis (Autor:in)
International Conference BUILDING INNOVATIONS ; 2020
Proceedings of the 3rd International Conference on Building Innovations ; Kapitel: 15 ; 155-161
23.09.2021
7 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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