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Fly Ash in Concrete: Interaction Mechanisms and Reaction Products. Part II. Basic Ashes
https://doi.org/10.18412/1816-0395-2026-5-44-52
Abstract
An analytical review of studies devoted to physicochemical processes occurring during the interaction of high-calcium ashes with Portland cement was carried out. The main phases formed as a result of hydraulic and pozzolanic reactions of basic ashes are considered. Positive and negative aspects of using basic ashes in concrete production are highlighted. It is shown that key factors controlling properties include the chemical and phase composition of ash, its dosage, and the use of activation methods (mechanical, chemical, biological). It is concluded that alkaline activation and bioactivation by microorganisms are effective for accelerating pozzolanic reactions and improving the final strength and durability of concrete.
Supporting agencies: The research was supported by RSF (project No. 24-49-03004).
About the Authors
R. V. Kulumbegov
Joint Institute for High Temperatures of the Russian Academy of Sciences
Russian Federation
Russian Federation
Cand. Sci. (Chem.), Senior Engineer
L. M. Delitsyn
Joint Institute for High Temperatures of the Russian Academy of Sciences
Russian Federation
Russian Federation
Dr. Sci. (Geol.-Mineral.), Chief Research Fellow
O. S. Popel
Joint Institute for High Temperatures of the Russian Academy of Sciences
Russian Federation
Russian Federation
Dr. Sci. (Eng.), Chief Research Fellow
M. G. Sulman
Tver State Technical University
Russian Federation
Russian Federation
Dr. Sci. (Chem.), Vice-Rector for Research and Innovation
Sh. A. Gadzhiev
PROMECOENGINEERING LLC
Russian Federation
Russian Federation
General Director
V. B. Petropavlovskaya
Tver State Technical University
Russian Federation
Russian Federation
Dr. Sci. (Eng.), Professor
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For citations:
Kulumbegov R.V., Delitsyn L.M., Popel O.S., Sulman M.G., Gadzhiev Sh.A., Petropavlovskaya V.B. Fly Ash in Concrete: Interaction Mechanisms and Reaction Products. Part II. Basic Ashes. Ecology and Industry of Russia. 2026;30(5):44-52. (In Russ.) https://doi.org/10.18412/1816-0395-2026-5-44-52
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