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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.Khozin V.G. – doctor of technical science, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Piskunov A.A. – doctor of technical science, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Gizdatullin A.R. – post-graduate student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kuklin A.N. – 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 articleAdhesion fiber-reinforced polymer bars with cement concrete
Abstract.The article contains results of the tests on the pull-out of various strength concrete with samples FRP bars. Were applied FRP samples from different manufacturers having different winding parameters and covered with sand. To compare the results of the test performed as pull-out samples of steel reinforcement of class A-400, A-240 (smooth), and the smooth, coated with epoxy. All tests were performed by pulling out samples of concrete cylinders. Revealed an increase the parameters of the adhesion to concrete FRP bars by increasing its strength. Revealed the dominant role of adhesion cement concrete to the surface epoxy FRP and insignificant – spiral wound and covered with sand. Recommended type of profile, allowing more fully use the properties of FRP bars in concrete structures. Established that it is more expedient profiling rod itself FRP (similar type number 2) by its «compression» of small-tow in steps 1,2 diameter rod. It increases the specific area of contact with the concrete, improves collaboration FRP with concrete under load, enabling it to fully realize the strength properties of the FRP at work in the structure.
Keywords.Fiber-reinforced polymer bars, steel reinforcement, adhesion to concrete, the nature of the tear-out of the concrete.
For citations:Khozin V.G., Piskunov A.A., Gizdatullin A.R., Kuklin A.N. Adhesion fiber-reinforced polymer bars with cement concrete // Izvestiya KGASU. 2013. №1(23) P.214-220.


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