New issues - 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.Makarenko Sergey Viktorovich candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Vasiliev Konstantin Olegovich post-graduate student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Irkutsk National Research Technical University The organization address: 664074, Russia, Irkutsk, Lermontov st., 83 Khokhryakov Oleg Viktorovich candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Khozin Vadim Grigorievich doctor of technical sciences, 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 articleThe production of ash-based building ceramics based on ash-and-slag waste from thermal power plants of the Irkutsk region is an example of the best available technology for their disposal
Abstract.Problem statement. The aim of the work is to assess the possibility and efficiency of using ash and slag waste from the Irkutsk region on the example of ash and slag waste from the dump of the Novo-Ziminskaya CHP in the technology of producing ash ceramics. Results. The chemical composition of the ash by X-ray diffraction analysis was determined. Using the method of mathematical planning, the optimal technological indicators and the main physical and mechanical characteristics of ash ceramics (density, water absorption, complete shrinkage and compressive strength) were established. The kinetics of changes in the strength of molded specimens was studied depending on several factors: compacting pressure, percentage of flux, the content of superplasticizer used to improve the forming ability of the charge and reduce the water content. The results of the work are presented in the form of a regression equation and tables that clearly reflect the relationship between strength and the above factors. Conclusions. The significance of the results obtained for the construction industry lies in the development of ash ceramics compositions that meet the requirements of the current regulatory documentation. Good technical performance has been achieved, including its appearance and surface quality, which will allow the use of ash ceramics for the production of facing products. The optimum of technological parameters (compacting pressure, flux and superplasticizer content) and their effect on compressive strength have been determined.
Keywords.ash ceramics, ash-and-slag waste of thermal power plant, superplasticizer, strength.
For citations:Makarenko S.V., Vasiliev K.O., Khokhryakov O.V., Khozin V.G. The production of ash-based building ceramics based on ash-and-slag waste from thermal power plants of the Irkutsk region is an example of the best available technology for their disposal // Izvestiya KGASU. 2020. №4(54) P.54-61.


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