FEATURES OF HYDRATION PROCESS, STRUCTURE FORMATION AND CURING PROCESSES OF MONO AND POLYMINERAL CEMENT IN THE PRESENCE OF ADDITIVES OF SOLID WASTE OF SODA PRODUCTION

Authors

Nargis Shamadinova, Tashkent Chemical-Technogical Institute, UzbekistanFollow
Gulnora Abdukadirovna Tokhtakhunova PhD, Tashkent chemical and technology instituteFollow
Temur Azimovich Atakuziev, Tashkent Chemical-Technological Institute Адрес: 32,Alisher Navoi st.,100011 Tashkent city, Republic of Uzbekistan
Shakhnoza Saidanvarovna Rakhimjanova, Tashkent Chemical-Technological Institute Адрес: 32,Alisher Navoi st.,100011 Tashkent city, Republic of UzbekistanFollow

Abstract

The influence of the additive of solid waste of soda production (SWSP) on the content of -C₂S and C₃S in cement studied. It was found that SWSP affects the density of the aluminum-containing minerals C₃A and C₄AF, in addition, in the presence of gypsum, their plasticizing properties improved. The introduction of SWSP additives during grinding of clinker intensifies the grinding process and made it possible to obtain a more plastic cement. It was proved that SWSP with CaCl₂ content can be used as an additive to concrete and cement mortars - this has significantly improved the manufacturability and performance properties of cement-containing materials.

The effectiveness of SWSP significantly depends on the content of alite in cement: the more it is, the lower the effect of plasticization and water reduction. The optimal dosage of SWSP is 10-20 mass. % The addition of inorganic electrolyte of calcium chloride and their components showed good results in plasticization and water reduction. The main practical result is the possibility of obtaining high-quality cement materials (concrete) with significant additives of complex SWSP using simple technological means and based on ordinary cements.

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References

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Recommended Citation

Shamadinova, Nargis; Tokhtakhunova, Gulnora Abdukadirovna PhD; Atakuziev, Temur Azimovich; and Rakhimjanova, Shakhnoza Saidanvarovna (2020) "FEATURES OF HYDRATION PROCESS, STRUCTURE FORMATION AND CURING PROCESSES OF MONO AND POLYMINERAL CEMENT IN THE PRESENCE OF ADDITIVES OF SOLID WASTE OF SODA PRODUCTION," Chemical Technology, Control and Management: Vol. 2020: Iss. 1, Article 2.
DOI: https://doi.org/10.34920/2020.1.5-10