AbstractAbout the AuthorReferences
The article deals with the properties of exfoliated vermiculite: strength in the cylinder and an angle of dip under the external load as determining factors of resistance to shrinkage of the vermiculite mass compacted under constrained conditions when the water saturation is over 300% and the action of vibration. Results of the natural experiment showing that the mass preliminary compacted by 7–18% doesn’t shrink even under such critical conditions are presented. The results of calculations and data of experiments show that when warming the inner space of walls with compacted vermiculite, the insulation material shrinkage is excluded by almost fivefold strength reserve and additional adhesion of the material with surfaces of walls.
A.I. NIZHEGORODOV, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
Irkutsk National Research Technical University (83, Lermontova Street, 664074, Irkutsk, Russian Federation)
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2. Popov N.A. Production and application of vermiculite. Moscow. Stroyizdat. 1964. 128 p.
3. Podoliak F. Vermiculite in building. Moscow. Stroyizdat. 1966. 87 p.
4. Vermiculite (Production and Application). Сollection of research papers. Chelyabinsk: UralNIIstromproekt. 1988. 175 p.
5. Hvostenkov S.I. Turkin A.F. The research into physicochemical properties of rows of kovdorski phlogopit-vermiculite deposit. Kola branch of Institute of Mining and Smelting of Academy of Sciences of the USSR: collection of research papers. 1966, pp. 32–57. (In Russian).
6. Miguel Schuldt. Vermiculture. Theory and practice in agricultural, industrial, and domestic environments. Washington. 2006. 217 p.
7. Edwards С. Vermiculture technology Arancon N., Sherman P. Washington: U.S. 2012. 623 p.
8. Kremenetskaya I.P. Belyaevskiy A.T., Vasilieva T.N. Amorphization of serpentine minerals in the technology of obtaining magnesia-silicate reagent for heavy metal immobilization Khimiya v interesax ustoychivogo razvitiya. 2010. No 1, pp. 41–49. (In Russian).
9. Kremenetskaya I.P. Koritnaya O.P. , Vasilieva T.N. Reagent Used to Immobilize Heavy Metals of Overburden Rocks Containing Serpentine. Vodoochistka. Vodopodgotovka. Vodosnabzheniye. 2008. No. 4, pp. 33–40. (In Russian).
10. Chelomey V.N. Vibration Technique: A Handbook in Six Volumes. Moscow: Mashinostroenie. 1981. Vol. 4. Vibrating processes and machines / ed. by E.E. Lavendel. 1981. 509 p.
For citation: Nizhegorodov A.I. Stability of compacted vermiculite masses in three-layer walls under critical conditions. Stroitel’nye Materialy [Construction Materials]. 2017. No. 11, pp. 64–67. DOI: https://doi.org/10.31659/0585-430X-2017-754-11-64-67. (In Russian).