AbstractAbout AuthorsReferences
The article presents the results of the research on obtaining a colloidal additive based on aluminosilicate rocks for the modification of cement stone. It has been established that on the basis of perlite rocks of the Mukhor-Talinsky deposit of the Republic of Buryatia, using sol-gel technologies, it is possible to obtain a colloidal modifier having particles ranging in size from 70 to 100 nm and with their total content of about 30%. As a result of experimental studies carried out using modern instruments and equipment, and after having analyzed the elemental composition, structure of vitreous perlite and the structural features of the particles surface of dispersed systems based on it, it was established that the synthesized colloidal modifier consists of the sol of silicic acid and the sol of aluminum hydroxide; it has an amorphous structure; the surface of the particles of the synthesized additive contains mainly silanol groups, adsorbed water. There have been established the dependences of the physical and mechanical properties of cement stone on the concentration of the additive and the pH of the colloidal solution. The possibility of using the synthesized colloidal additive for the cement stone modification has been stated.
L.A. URKHANOVA1, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
E.V. DORZHIEVA1, Candidate of Sciences (Engineering),
E.V. GONCHIKOVA1, Candidate of Sciences (Engineering),
A.P. YAKOVLEV2, Engineer
E.V. DORZHIEVA1, Candidate of Sciences (Engineering),
E.V. GONCHIKOVA1, Candidate of Sciences (Engineering),
A.P. YAKOVLEV2, Engineer
1 East Siberia State University of Technology and Management (40B, Klyuchevskaya Street, Ulan-Ude, 670013, Russian Federation)
2 Research, Design and Technological institute of Concrete and Reinforced Concrete – NIIZHB named after A.A. Gvozdev JSC “Research Center “Stroitel’stvo” (6, build. 5, 2-nd Institutskaya Street, Moscow, 109428, Russian Federation)
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12. Patent RF 2378194. Reaktsiya sinteza dioksida kremniya i sposob ego polucheniya plamennym gidrolizom [The reaction of the synthesis of silicon dioxide and the method of its production by flame hydrolysis]. Vavilov V.V., Sudyarov G.I., Storozhenko P.A., Polivanov A.N., Kochurkov A.A. Declared. 06.02.08. Published 01.10.10.
13. Ailer R. Khimiya kremnezema [Silica Chemistry: 2 parts]. Moscow: Mir. 1982. 1128 p.
14. Dorzhieva E.V. Concrete modified with silicic acid sol. Diss…Candidate of Sciences (Engineering). Ulan-Ude. 2013. 124 p. (In Russian).
15. Urkhanova L.A., Dorzhieva E.V., Gonchikova E.V. et al. Development of technology for the production of wood concrete with modifying additives. Topical issues of building materials science: Articles of All-Russian Scientific and Practical Conference. Ulan-Ude: Publishing house of ESSUTU. 2021, pp.141–145. (In Russian).
2. Magdeev U.Kh., Bazhenov Yu.M., Tsyrempilov A.D. Energy-saving technologies of binders and concretes based on effusive rocks [Energosberegayushchiye tekhnologii vyazhushchikh i betonov na osnove effuzivnykh porod]. Moscow: RAACS Publishing House. 2002. 344 p.
3. Bazhenov Yu.M. Сoncrete technology [Tekhnologii betonov]. Moscow: ASV. 2002. 500 p.
4. Komokhov P.G. Sol-gel as a concept of cement composite nanotechnology. Stroitel’nye Materialy [Construction Materials]. 2006. No. 9, pp. 89–90. (In Russian).
5. Svatovskaya L.B. et al. Nanoadditives from silicon- and iron-containing (III) sol for heavy concrete on ordinary cements. Nanotekhnalogii v stroitel’stve: scientific Internet journal. 2010. Vol. 2. No. 5, pp. 61–68. (In Russian).
6. Lukutsova N.P. Nano Modifying additives in concrete. Stroitel’nye Materialy [Construction Materials]. 2010. No. 9, pp. 101–104. (In Russian).
7. Zhernovoi F.E. Composite binders using perlite. Diss…Candidate of Sciences (Engineering). Belgorod. 2010. 203 p.
8. On the integrated use of the main and associated rocks of the Mukhor-Talinsky perlite deposit of the Republic of Buryatia: Feasibility report of PTI Rosvostokstroy. Moscow. 1991. Vol. 1.2. (In Russian).
9. Gornostaeva E. Yu., Lasman I. A., Fedorenko E. A., Khamaza E. V. Wood-cement compositions with a modified structure at macro-, micro- and nanolevels. Stroitel’nye Materialy [Construction Materials]. 2015. No. 11, p. 13–16. (In Russian).
10. Selyaev V.P., Kupriyashkina L.V., Selyaev P.V., Kiselev N.N., Kechutkina E.L. Production of fine amorphous microsilica from diatomite by precipitation of silicon dioxide from a colloidal system. Technologii textilnoy promishlennosti. 2018. No. 3 (375), pp. 46–55. (In Russian).
11. Zemnukhov L.A., Panasenko A.E., Tsoi E.A. Composition and structure of samples of amorphous silica from rice husk and straw. Neorganicheskie materialy. 2014. Vol. 50. No. 1, pp. 82–89.
12. Patent RF 2378194. Reaktsiya sinteza dioksida kremniya i sposob ego polucheniya plamennym gidrolizom [The reaction of the synthesis of silicon dioxide and the method of its production by flame hydrolysis]. Vavilov V.V., Sudyarov G.I., Storozhenko P.A., Polivanov A.N., Kochurkov A.A. Declared. 06.02.08. Published 01.10.10.
13. Ailer R. Khimiya kremnezema [Silica Chemistry: 2 parts]. Moscow: Mir. 1982. 1128 p.
14. Dorzhieva E.V. Concrete modified with silicic acid sol. Diss…Candidate of Sciences (Engineering). Ulan-Ude. 2013. 124 p. (In Russian).
15. Urkhanova L.A., Dorzhieva E.V., Gonchikova E.V. et al. Development of technology for the production of wood concrete with modifying additives. Topical issues of building materials science: Articles of All-Russian Scientific and Practical Conference. Ulan-Ude: Publishing house of ESSUTU. 2021, pp.141–145. (In Russian).
For citation: Urkhanova L.A., Dorzhieva E.V., Gonchikova E.V., Yakovlev A.P. Synthesis of a colloid additive based on aluminosilicate rocks for cement stone modification. Stroitel’nye Materialy [Construction Materials]. 2022. No. 1–2, pp. 50–56. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2022-799-1-2-50-56