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.Khaliullin M.I. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Rakhimov R.Z. – doctor of technical science, professor Gaifullin A.R. – candidate of technical sciences, assistant Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1
Title of the articlePozzolanic activity of a haydite dust and its dependence on a specific surface
Abstract.Results of researches influence of a specific surface and granulometric structure of a ground haydite dust of a certain chemical and mineral composition on its pozzolanic activity, and also the main physical and technical properties of an artificial stone on the basis of the composite gypsumlimehaudite binder are presented. It is established that with increase in a specific surface of a haydite dust from 250 to 800 sq.m/kg increase of its pozzolanic activity for 42 % is observed that according to data of the analysis of granulometric structure of a haydite dust is connected with growth of its dispersion. The dependences characterizing influence of a specific surface and the maintenance of an additive of a ground haydite dust on the main physics and technology properties of a composite gypsumlimehaudite binder and artificial stone on its basis are received. It is established that introduction of 20-25 % of an additive of a ground haydite dust with a specific surface of 500 sq.m/kg together with 5 % of lime in gypsum binder provides increase of coefficient of a softening of an artificial stone from 0,33 to 0,66-0,64 that corresponds to indicators for composite gypsum binders to the increased water resistance.
Keywords.Аrtificial stone, сomposite gypsum binder, haydite dust, pozzolanic activity, specific surface.
For citations:Khaliullin M.I., Rakhimov R.Z., Gaifullin A.R. Pozzolanic activity of a haydite dust and its dependence on a specific surface // Izvestiya KGASU. 2013. №3(25) P.98-104.

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