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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.Antakov A.B. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Antakov I.A. – assistant 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 articleAnalysis of calculation methods flexural members, reinforced fiber-reinforced polymer bars, the serviceability limit states
Abstract.The article presents the results of theoretical and experimental studies of deformability of flexural members with fiber-reinforced polymer (FRP) reinforcement. The study used fiberglass and basalt FRP rebar. The tests were performed at short duration of load application. The study considered calculation methods of guidelines: US – ACI 440.1R-06 and Russia – SP 63.13330.2012. Theoretical data deflections and width of cracks were compared with experimental data. In considered methods parameters varied: in SP 63.13330.2012 factor ?f, taking into account the uneven distribution of the relative strain of tensile reinforcement between the cracks; in ACI 440.1 R-06 factor ?, taking into account the duration of load action. Most similar results to the experimental data has the method of ACI 440.1R-06 at factor ? equal to 2. Based on the results of the analysis of the obtained results developed a series of recommendations: calculation of the strains recommended by the method of SP at factor ?f accepted equal to ?_f=1-0,8?M_crc/M And the ACI method at factor ? equal to 2. The data obtained indicate the need for improvement the calculation of serviceability limit states of SP 63.13330.2012 method.
Keywords.non-metallic fitting, fiber-reinforced polymer bars, reinforced concrete, flexural members, deformability, deflection, crack width.
For citations:Antakov A.B., Antakov I.A. Analysis of calculation methods flexural members, reinforced fiber-reinforced polymer bars, the serviceability limit states // Izvestiya KGASU. 2016. №4(38) P.200-207.


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