AbstractAbout AuthorsReferences
A principal possibility to improve the resistance of cement stone to tensile stresses due to the solid phase mechanical-chemical modification of Portland cements at the stage of grinding of clinker with silica organic compounds – polyorganylsilsesquioxanes is shown. The introduction of polyorganylsilsesquioxanes during the process of clinker grinding significantly improves (by 2–3 times) the resistance of cement stone to tensile stresses under the cyclic effect of freeze-thaw temperatures in salt solutions.
S.V. VAVRENIUK, Corresponding Member of RAACS, Doctor of Sciences (Engineering),
V.A. AVRAMENKO, Corresponding Member of RAS, Doctor of Sciences (Chemistry),
V.G. VAVRENIUK, Candidate of Sciences (Engineering),
S.G. KRASITSKAYA, Candidate of Sciences (Chemistry),
A.E. FARAFONOV, Engineer
V.A. AVRAMENKO, Corresponding Member of RAS, Doctor of Sciences (Chemistry),
V.G. VAVRENIUK, Candidate of Sciences (Engineering),
S.G. KRASITSKAYA, Candidate of Sciences (Chemistry),
A.E. FARAFONOV, Engineer
Branch of FGBU «TSNNIP Minstroya Rossii», Far Eastern Construction Scientific-Research, Design and Technological Institute (DalNIIS) (14, Borodinskaya Street, 690033 Vladivostok, Russian Federation)
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3. Batrakov V.G. Povyshenie dolgovechnosti betona dobavkami kremniiorganicheskikh polimerov [Increase in a longevity of concrete additives of organosilicone polymers]. Moscow: Stroiizdat, 1968. 135 p. (In Russian).
4. Vavrenyuk S.V., Alikovskii A.V. Mekhanokhimicheskoe modifitsirovanie tsementno-mineral’nykh sistem nefunktsional’nymi kremniiorganicheskimi soedineniyami. Tekhnologiya silikatnykh i tugoplavkikh nemetallicheskikh materialov. 2005. No. 6, pp. 19–22. (In Russian).
5. Vavrenyuk S.V., Efimenko Yu.V. Osobennosti karbonizatsii tsementnykh sistem v prisutstvii organicheskikh dobavok. Vestnik VolgGASU. 2013. Vypusk 31 (50). Part 2. Stroitel’nye nauki, pp. 56–58. (In Russian).
6. Khigerovich M.I., Baier V.E. Gidrofobno–plastifitsiruyushchie dobavki dlya tsementov, rastvorov, betonov [Hydrophobic and plasticizing additives for cements, solutions, concrete]. Moscow: Stroiizdat, 1979. 126 p. (In Russian).
7. Batrakov V.G. Modifitsirovannye betony. Teoriya i praktika [The modified concrete. The theory and practice]. Moscow: Stroiizdat, 1998. 768 p. (In Russian). 8. Voronkov M.G., Maletina E.A., Rollan A.K. Geterosiloksany [Heterosilocsany]. Novosibirsk: Nauka, 1984. 270 p. (In Russian).
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