About the authors
| First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address. | Ilshat T. Mirsayapov, Doctor of Technical Sciences, associate professor, Kazan State University of Architecture and Engineering, Kazan, Russian Federation E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it , ORCID: 0000-0003-4902-6167 Aleksandr A. Koyankin, Candidate of Technical Sciences, associate professor, Siberian Federal University, Krasnoyarsk, Russian Federation E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it , ORCID: 0000-0001-5271-9904 Valery M. Mitasov, Doctor of Technical Sciences, professor, Novosibirsk, Russian Federation E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it , ORCID: 0009-0004-3057-9604 |
| Title of the article | Results of the study of the bearing capacity of a non-flange assembly of a steel polygonal arch |
| Abstract. | Actively developing prefabricated monolithic housing construction, both in Russia and abroad, requires the development and theoretical basis for the calculation of prefabricated monolithic structures. In order to develop the theory of calculation of prefabricated monolithic bendable elements, the description of the stages of the stress-strain state of a prefabricated monolithic structure is proposed in this article. The feature of the formation of the stress-strain state of such structures is the gradual involvement of precast and monolithic concrete in the process of deformation and load perception. The research objectives are the following: to describe the stages of the stress-strain state of a prefabricated monolithic bendable element; to substantiate the proposed description of the stages based on experimental and numerical studies. Materials. The description of the process of forming the stress-strain state of a normal section of a prefabricated monolithic element is proposed in relation to the “classical” stages of a bendable reinforced concrete element proposed by Professor V. I. Murashev, depending on the qualitative change in the state of the materials (stretched concrete of the prefabricated part, compressed concrete of the monolithic part and longitudinally stretched reinforcement) at each stage. Results. Corresponding experimental and numerical studies of a prefabricated monolithic bendable element have been carried out, which confirmed the assumptions made. The feature of the conducted research was the step-by-step installation and loading. At the 1st stage, the assembly and loading of the prefabricated part took place, and at the 2nd stage, after laying the monolithic concrete and gaining the required strength, the prefabricated monolithic beams were additionally loaded until destruction. Conclusions. The proposed description of the stress-strain state of a normal section of a prefabricated monolithic bendable element conditionally divides the deformation process into “classical” stages, taking into account the qualitative changes in the state of materials during the phased installation and loading. |
| Keywords. | new steel polygonal arch assembly, bolted connection, test method, bearing capacity, unified element, I-beam, paired channel |
| For citations: | Gainetdinov R.G., Gimranov L.R., Sibgatullin M.T., Velmiskin A.T., Ziyarova K.I. Results of the study of the bearing capacity of a non-flange assembly of a steel polygonal arch // News of KSUAE, 2025, № 2(72), p. 77-86, DOI: 10.48612/NewsKSUAE/72.7, EDN: ECSTEE |
