Structure formation of aerated concrete containing waste coal combustion products generated in the thermal vortex power units

The results of fly ash research, generated in the process of waste coal combustion in the thermal vortex power units and used as an aggregate in aerated concrete, are provided. It is established that fly ash can be used in the production of cement or concrete with low loss on ignition (LOI). The per...

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Bibliographic Details
Published inIOP conference series. Earth and environmental science Vol. 45; no. 1; pp. 12019 - 12024
Main Authors Ivanov, A I, Stolboushkin, A Yu, Temlyanstev, M V, Syromyasov, V A, Fomina, O A
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.10.2016
Subjects
Aerated concrete
Aeration
Combustion
Combustion products
Concrete
Crystals
Ettringite
Fly ash
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Summary:The results of fly ash research, generated in the process of waste coal combustion in the thermal vortex power units and used as an aggregate in aerated concrete, are provided. It is established that fly ash can be used in the production of cement or concrete with low loss on ignition (LOI). The permitted value of LOI in fly ash, affecting the structure formation and operational properties of aerated concrete, are defined. During non-autoclaved hardening of aerated concrete with fly ash aggregate and LOI not higher than 2%, the formation of acicular crystals of ettringite, reinforcing interporous partitions, takes place.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/45/1/012019