Dmitrenko E. Stress-strain state of reinforced concrete elements at different loading rates under the conditions of heating up to +200°С

The results of experimental investigations of strength and deformations of concrete at the loading of different speed in the conditions of enhanceable influence up to +200°C are presented. The development of methods of diagrams - isochrones in the part of account of influence of loading rates on the diagrams of deformation of concrete has been done. The results of experimental and theoretical researches of descriptions of the stress-strain state of the bent reinforced concrete elements under the conditions of the uneven heating with the use of diagrams - isochrones and taking into account heterogeneity of mechanical and rheological| properties of concrete on volume constructions are presented. The suggestion on clarification of normative methods of calculation in part of account of influence of loading rates on basic descriptions of the protracted strength and diagrams of deformation are presented.