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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.Mukhametrakhimov Rustem Khanifovich candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Galautdinov Albert Radikovich candidate of technical sciences, senior lecturer E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Lukmanova Liliya Valievna engineer 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 articleStructure and properties of gypsum cement-pozzolan matrix reinforced with cellulosic fibers
Abstract.Problem statement. Different types of sheet materials and products are used for outside and interior finish of the industrial and civil buildings and structures. The products based on gypsum binder that has unique domestic mineral raw material base, appreciable quantity of discovered resources and low fabricating cost are of special interest among these sheet products. Besides, at the present time the reduction of using these products is observed. In connection with this there is considerable interest in quality improvement and quantity increase of consumable products based on gypsum and mixed gypsum binders. The research objective is studying the influence of the rate of cellulosic fiber opening and content of cellulosic fibers on the structure and properties of gypsum-cement-puzzolan matrix. Results. The function of the type of reinforcing fibers in structure formation and properties of gypsum-cement-puzzolan compositions is studied in the article. Positive influence of cellulosic fibers on the properties of investigated modified matrixis observed. It is found that the best ultimate strength indexes while using cellulosic fibers can be achieved with its mixing ratio in amounts of 0,5-1 % by weight of binder and freeness rate of 30°SR. Conclusions. Signification of obtained results for construction industry consists in possibility of productionthe sheet materialsbased on gypsum binder with advanced physical and mechanical properties by means of fiber reinforcementof gypsum-cement-puzzolan matrix by cellulosic fibers.
Keywords.gypsum-cement-puzzolan binder, complex admixture, fiber reinforcement, cellulosic fibers.
For citations:Mukhametrakhimov R.Kh., Galautdinov A.R., Lukmanova L.V. Structure and properties of gypsum cement-pozzolan matrix reinforced with cellulosic fibers // Izvestiya KGASU. 2018. №3(45) P.210-219.


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