RESEARCH OF COMPLEX MODIFICATION OF HEAVY CONCRETE
https://doi.org/10.33979/2073-7416-2021-96-4-107-112
Abstract
Modification of the composition and structure of heavy concrete with the use of a complex chemical-mineral additive consisting of fly ash from thermal power plants, a superplasticizer, a high-valence hardening accelerator AC and a fine-dispersed clinker component is considered. Modified concrete is characterized by an increase in compressive strength at a brand age by 67%, a decrease in the water content of a concrete mixture by 13.6% and an improvement in its workability by 11-12 cm. With the combined use of a superplasticizer and a high-valence hardening accelerator AC a significant synergistic effect is observed in the format of enhancing their plasticizing effect. The high efficiency of the application of the mixed-dispersed clinker component has been established.
About the Authors
Yulia S. Filimonova
National Research Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Evgeniy G. Velichko
National Research Moscow State University of Civil Engineering
Russian Federation
Russian Federation
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Review
For citations:
Filimonova Yu.S., Velichko E.G. RESEARCH OF COMPLEX MODIFICATION OF HEAVY CONCRETE. Building and Reconstruction. 2021;(4):107-112. (In Russ.) https://doi.org/10.33979/2073-7416-2021-96-4-107-112
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