Basis of Diagrammatic Deformation Model for Core Reinforced Concrete Structures Calculating

Abstract

The basis of the diagrammatic deformation model for core reinforced concrete structures calculating are physical relations. The construction of physical relations linking the moments and the normal force of the cross section of the core element in the general case of oblique bending and oblique eccentric compression with the curvature and relative deformation at the level of the selected longitudinal axis is given. The transformation of diagrams in relation to the deformation of concrete and rebar in the frozen state on the basis of experimental data [8, 9] is proposed The general system of physical relations has been established for the calculation of reinforced concrete core structures using modern computational methods in the case of simultaneous action of stress in two planes and the variable in the cross-section thickness negative temperature of concrete and rebars freezing. Physical relations are designed to calculate reinforced concrete core structures that are operated under thesimultaneousaction of force loads and a significant variable in cross-section of negative temperature.