Nanodispersed Silicon Dioxide Used in the Production of Mix Mortars
Abstract
The paper presents research results on the effect of silicon dioxide additives having different specific surface on the properties of cement brick. The technology factors are investigated in relation to the properties of cement brick. The analysis of regularities of increasing strength of cement brick with silicon dioxide and nano-SiO2 additives is carried out. The X-ray diffraction and thermal analyses are used to explore the structure and phase composition of cement brick with additives. It is shown that the strength of silicon dioxide-modified cement brick of 28-day hardening increases by 30 % as compared to the test samples. The synergistic effect from silicon dioxide additives with different degree of dispersion is shown for the properties of cement brick.
About the Authors
Natal'ya O. Kopanitsa
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
Yurii S. Sarkisov
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
Olga V. Dem'yanenko
Tomsk State University of Architecture and Building
Russian Federation
Russian Federation
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Review
For citations:
Kopanitsa N.O., Sarkisov Yu.S., Dem'yanenko O.V. Nanodispersed Silicon Dioxide Used in the Production of Mix Mortars. Vestnik of Tomsk state university of architecture and building. 2016;(5):140-150. (In Russ.)
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