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CEMENT PASTE AND BRICK PROPERTIES MODIFIED BY ORGANIC ADDITIVES

https://doi.org/10.31675/1607-1859-2018-20-6-138-147

Abstract

The paper presents the research results of the initial structure formation of cement paste and brick due to the introduction of organic additives. Physicochemical methods show that the grain size of the cement paste modified by organic additives becomes finer and more uniform. The largest increase in the strength of cement brick after 3 days of ageing occurs due to the addition of glyoxal. Introduction of glyoxal, lactic acid oligomer and glycolic acid to the hardened cement paste after 28-day ageing increases its strength by 35, 34 and 30 %, respectively. Research findings on glyoxal, lactic acid oligomer and glycolic acid additives may be used in the development of complex modifiers in the road concrete production.

About the Authors

A. I. Kudyakov
Tomsk State University of Architecture and Building.
Russian Federation

DSc, Professor.

2, Solynaya Sq., 634003, Tomsk.



A. S. Simakova
Tomsk State University of Architecture and Building.
Russian Federation

Research Assistant.

2, Solynaya Sq., 634003, Tomsk.



V. A. Kondratenko
Tomsk State University of Architecture and Building.
Russian Federation

Research Assistant.

2, Solynaya Sq., 634003, Tomsk.



A. B. Steshenko
Tomsk State University of Architecture and Building.
Russian Federation

PhD.

2, Solynaya Sq., 634003, Tomsk.



A. D. Latypov
National Research Tomsk State University.
Russian Federation

Junior Research Fellow.

36, Lenin Ave., 634050, Tomsk.



References

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Kudyakov A.I., Simakova A.S., Kondratenko V.A., Steshenko A.B., Latypov A.D. CEMENT PASTE AND BRICK PROPERTIES MODIFIED BY ORGANIC ADDITIVES. Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture. 2018;(6):138-147. (In Russ.) https://doi.org/10.31675/1607-1859-2018-20-6-138-147

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