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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.Morozov N.M. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Borovskich I.V. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Galeev A.F. – 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 articleThe influence of sand on properties of fine-grained concrete
Abstract.In recent years a growing interest in fine grained concrete as core concrete for the production of load-bearing reinforced concrete constructions is raising. This is due to the deficit of high strength crushed stone from igneous rocks in the European part of Russia and the constant rise in transportation cost component of high-strength crushed stone. Sand for concrete differ externally and in chemical composition, depending on the sands of different grain composition, surface morphology and strength properties. The article examines the influence of these parameters on the properties of fine-grained concrete. With the increase in fineness modulus of sand decreases air entrainment, and with an equal fineness of sand maximum strength is achieved on the sand of the river Volga. The dependence of water-reducing effect of superplasticizers from the grain composition of sand is shown, as well as the optimum sand grain structure of the maximum effect. As a result, 60 mPas strength fine-grained concrete was produced.
Keywords.fine concrete, sand, superplasticizers, air entrainment, strength.
For citations:Morozov N.M., Borovskich I.V., Galeev A.F. The influence of sand on properties of fine-grained concrete // Izvestiya KGASU. 2016. №4(38) P.370-375.


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