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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 F.S. – candidate of technical sciences, associate professor 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 articleTo the evaluation of the stressed state of prestressed steel-concrete composite beams
Abstract.Problem statement. The aim is to develop a methodology for assessing the state of stress of composite prestressed girders considering prestressing losses and long-term processes. Results. For different variants of the structural design of prestressing beams of the steel-concrete composite section, considering the initial prestressing of the profile only, and also the compression of the concrete and the steel profile from the prestressed reinforcement forces and losses with time, new expressions were obtained describing the stress state of the steel-concrete composite steel beam, as well as losses due to creep and shrinkage concrete. Conclusions. A method for evaluating the state of stress of prestressed composite steel-concrete beams. Write the formuls of stresses in the concrete, the steel profile of the prestressing forces. Defined in loss of prestress prestressing the reinforcement in the concrete due to its creep and shrink.
Keywords.prestressed steel reinforced concrete beam, loss of stresses, strain, creep, shrinkage of concrete.
For citations:Zamaliev F.S. To the evaluation of the stressed state of prestressed steel-concrete composite beams // Izvestiya KGASU. 2017. №3(41) P.87-97.


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