Application of Fuel Ash as a Microfiller in Cement Dispersion Systems

Victoriya Petropavlovskaya; Tatiana B. Novichenkova; Kirill Petropavlovskii; Olga V. Aleksandrova; Hans Bertram Fischer

doi:10.4028/www.scientific.net/MSF.1037.729

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HomeMaterials Science ForumMaterials Science Forum Vol. 1037Application of Fuel Ash as a Microfiller in Cement...

Application of Fuel Ash as a Microfiller in Cement Dispersion Systems

Abstract:

The paper shows studies of modified cement compositions with micro-filler. As such a micro-filler, an ash product is used - an activated waste of an ash-and-slag mixture. The enriched aluminosilicate waste is characterized by a fairly stable chemical and particle size distribution. The used activation of the ash product allows for a more dense packing of particles in the composition of the binder dispersed system. The high dispersion of the ash component requires additional plasticization of the dispersed system. Despite the fact that during the activation process the destruction of large-pore particles remaining after flotation occurs, the introduction of a plasticizer also improves the rheological characteristics of the compositions, and, consequently, increases the strength and density of the modified cement stone with the addition of a microfiller.

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Materials Science Forum (Volume 1037)

Pages:

729-736

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.1037.729

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Online since:

July 2021

Authors:

Victoriya Petropavlovskaya*, Tatiana B. Novichenkova, Kirill Petropavlovskii, Olga V. Aleksandrova, Hans Bertram Fischer

Keywords:

Ash Product, Cement Compositions, Dense Packing of Particles, Micro-Filler

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