Archive - Известия Казанского государственного архитектурно-строительного университета.

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First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address.Zamaliev Farit Sakhapovich candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Bikkinin Emil Gatovich post-graduate student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1
Title of the articleNumerical studies of self-stressing of composite beams
Abstract.Problem statement. The main purpose of the investigation is to use the internal stressed-deformed state of the steel-concrete composite beam for self-stressing. Solved the problem of prestressing a composite steel beam with the account of shrinkage of concrete and the introduction of a temporary support on the effect of operational loads (temporary support removed). Expressions of internal forces (moments and other internal forces) for the composite section are recorded, and numerical experiments on the analysis of the self-stressing process of the beam are carried out. Results. The main results of the investigations consist the identification of a number of principal positions of the stress-strain state of the self-stressed steel-concrete composite beam and the evaluation of numerical results of beam research without prestressing and self-stressing. Conclusions. The significance of the results obtained for the construction industry is to identify the stressed state of the beam of the composite section from the shrinkage of concrete with of internal stresses for self-stressing the beam. The obtained dependences can be used in the construction of beam structures of the composite section in new construction and in the restoration of the floors of architectural heritage buildings.
Keywords.steel-concrete composite beam, stressed state, self-stressed structures, shrinkage, deflection and tension.
For citations:Zamaliev F.S., Bikkinin E.G. Numerical studies of self-stressing of composite beams // Izvestiya KGASU. 2018. №2(44) P.145-153.

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