AbstractAbout AuthorsReferences
The study of using mineral powders of natural and artificial origin in the production of silica brick has been conducted. Mineral powder from natural carbonate material and precipitated calcium carbonate, waste of sugar production, were considered as studied waste. Comparison of the fractional composition of precipitated calcium carbonate with natural mineral powder shows the closeness of the ratio of fractions of the precipitated calcium carbonate and natural mineral powder. Powders differ in the form of particles: precipitated calcium carbonate is presented as spherical polycrystalline calcite intergrowths and natural mineral powder – as fragments of calcite crystals. The production of silicate brick with clear alluvial sand, containing 0–2% of particles with size less than 0.16 mm, leads to an increase in lime consumption. The study shows that carbonate-containing materials increase the raw strength, but waste pollution affects the autoclave strength.
G.V. KUZNETSOVA, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.)
N.N. MOROZOVA, Candidate of Sciences (Engineering)
V.G. KHOZIN, Doctor of Sciences (Engineering)
N.N. MOROZOVA, Candidate of Sciences (Engineering)
V.G. KHOZIN, Doctor of Sciences (Engineering)
Kazan State University of Architecture and Engineering (1, Zelenaya Street, 420043, Kazan, Russian Federation)
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4. Kuznetsova G.V. A Lime Binder for Wall Silicate Products from Chippings of Rock Crushing. Stroitel’nye Materialy [Construction Materials]. 2014. No. 12, pp. 34–37. (In Russian).
5. Kuznetsova G.V., Morozova N.N. Influence of Components of a Lime-Siliceous Binder on Cohesion of Molding Material for Pressing. Stroitel’nye Materialy [Construction Materials]. 2012. No. 12, pp. 69–71. (In Russian).
6. Khavkin L.M. Tekhnologiya silikatnogo kirpicha [Technology of sand-lime brick]. Moscow: Ekolit. 2011. 128 p.
For citation: Kuznetsova G.V., Morozova N.N., Khozin V.G. Carbonate Powders in Production of Silica Brick with Straight Lime. Stroitel’nye Materialy [Construction Materials]. 2015. No. 7, pp. 10-12. DOI: https://doi.org/10.31659/0585-430X-2015-727-7-10-12