Influence of the fly ash type on properties of autoclaved aerated concrete
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AGH University of Science and Technology
H+H Polska Sp.z o.o
Poznan University of Technology
Publication date: 2011-12-01
Cement Wapno Beton (Special 2011 16) 22-25 (2011)
This paper is devoted to the relationship between properties of the siliceous fl y ash used as an aggregate in production of autoclaved aerated concrete in PGS technology and its properties. Tests were conducted on technological scale. Such technological measurements in this scale are not frequent and the infl uence of mix components, namely fl y ash on the basic functional properties of AAC are seldom found in technical literature. A series of AAC with similar binder content, constant composition and stable properties has been selected for experimental purposes. Fly ash used as an aggregate came from various sources, and the composition and properties were a consequence of both the combustion of coal and co-fi ring with biomass. The results show that, when the amount of binder and its properties are stable, the properties of ACC, especially compressive strength, are dependent on the properties of fl y ash, which fulfi ls the function of aggregate. Linking such fl y ash properties as specifi c surface area, fl y ash water demand and content of unburned carbon may be the basis for a qualitative assessment of raw material in the manufacture of AAC.
H. Jatymowicz, J. Siejko, G. Zapotoczna-Sytek. „Technologia autoklawizowanego betonu komórkowego”, Wydawnictwo Arkady, Warszawa 1980.
Materiały Budowlane, vol 452, s. 58, (2010).
N. Narayanan, K. Ramamurthy, Cement and Concrete Composites , 22, pp. 321-329, (2000).
A. Paprocki., “Betony komórkowe”, Wydawnicto Arkady, Warszawa 1966.
G. Zapotoczna-Sytek, AAC based on fl y ash In the strategy of sustainble development. 4th International Conference on Autoclaved Aerated Concrete. Innovation and Development. London 8-9 September 2005, p. 257-264.
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