KEYWORDS
TOPICS
ABSTRACT
This paper presents the results of research on the properties of CEM II/A-F cements containing fine fraction of material from concrete rubble processing plant, as one of the main constituents of cement. The material obtained from concrete recycling plant was ground to produce a constituent that, according to EN 197-6, can be classified as constituent F. A portion of this material was further thermally processed by calcination at three different temperatures: 400 °C, 600 °C and 700 °C. The tests demonstrated a positive influence of thermal treatment on the properties of the binders, despite the relatively low content of hardened cement paste in the recycled material. A particularly beneficial effect, relative to the reference cement containing siliceous fly ash, when constituent F calcined at 600 °C was found.
ACKNOWLEDGEMENTS
This work was supported from the subsidy of the Ministry of Science and Higher Education for the AGH University of Krakow [Project No 16.16.160.557]
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