Fluoro-Anhydrite Compositions with a Light Filler Based on Expanded Perlite Sand

Number of journal: 5-2019
Autors:

Yakovlev G.I.
Kalabina D.A.
Grakhov V.P.
Buryanov A.F.
Gordina A.F.
Bazhenov K.A.
Nikitina S.V.

DOI: https://doi.org/10.31659/0585-430X-2019-770-5-57-61
УДК: 666.973.2

 

AbstractAbout AuthorsReferences
The dependence of the physical and mechanical properties of the composition on the basis of high-strength anhydrite binder on the concentration of light filler, as which the expanded perlite sand was used, was studied. The optimal ratio of filler and binder is determined by the combination of three main parameters: the compressive strength of the sample, the average density and the thermal conductivity coefficient. The assessment of the influence of the use of three modifying components: air-entraining admixture, primer with nano-additive and wetting agent on the physical and mechanical characteristics of the composition is carried out. Studies have shown that a significant impact on the properties of the composition had the introduction of an air entraining admixture, which increased the compressive strength at the age of 7 days from 1.34 to 2.07 MPa, as well as a wetting agent, which made it possible to reduce the density of the material from 891 to 695 kg/m3. The fluoro-anhydrite composition developed with a light filler on the basis of expanded perlite sand, with due regard for its physical and mechanical characteristics, can be used as an effective structural and thermal insulation material in the production of tongue-and-groove slabs, blocks for the construction of structures inside buildings and structures.
G.I. YAKOVLEV1, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
D.A. KALABINA1, graduate student (This email address is being protected from spambots. You need JavaScript enabled to view it.)
V.P. GRAKHOV1, Doctor of Sciences (Economics) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
A.F. BURYANOV2, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
A.F. GORDINA1, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
K.A. BAZHENOV1, Student (This email address is being protected from spambots. You need JavaScript enabled to view it.)
S.V. NIKITINA3, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.)

1 Kalashnikov Izhevsk State Technical University (7, Studencheskaya Street, Izhevsk, 426069, Russian Federation)
2 National Research Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)
3 “Novi Dom” OOO (31, Salutovskaya Street, Izhevsk, 426053, Russian Federation)

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For citation: Yakovlev G.I., Kalabina D.A., Grakhov V.P., Buryanov A.F., Gordina A.F., Bazhenov K.A., Nikitina S.V. Fluoro-anhydrite compositions with a light filler based on expanded perlite sand. Stroitel’nye Materialy [Construction Materials]. 2019. No. 5, pp. 57–61. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2019-770-5-57-61


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