Study of Modified Heat-Resistant Concrete in Relation to Type of Chamotte Filler
- Autores: Zdanyavichus P.1, Antonovich V.1, Boris R.1, Stonis R.1, Shukis R.2, Vitek E.3
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Afiliações:
- Institute of Building Materials, Gedinimas Vilnius Technical University
- Building Materials and Fire Safety faculty, Gedinimas Vilnius Technical University
- Refractory Materials Section in Glivitsa, Institute of Ceramic and Building materials
- Edição: Volume 59, Nº 6 (2019)
- Páginas: 628-632
- Seção: Article
- URL: https://journals.rcsi.science/1083-4877/article/view/249184
- DOI: https://doi.org/10.1007/s11148-019-00286-1
- ID: 249184
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Resumo
The properties of traditional refractory concrete modified by means of microsilica and the deflocculant, including the different types of chamotte filler are studied. It is established that refractory concrete with chamotte filler Bos145 (containing 44% of has lower open porosity, and both high density and ultimate strength in compression compared with the properties of concrete with fillers Bos125 and Bos135 (containing ~26 and ~37 % Al2O3 respectively). It is also established that that independent of the type of chamotte filler supplementary addition of SiO2-based additive facilitates an increase concrete alkaline resistance by a factor of five and more. It is shown that this additive is effective at temperatures up to 1100°C, and at 1200 °C chamotte concrete porosity increases and the material resistance to molten alkali falls significantly.
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Sobre autores
P. Zdanyavichus
Institute of Building Materials, Gedinimas Vilnius Technical University
Email: rimvydas.stinys@vgtu.lt
Lituânia, Vilnius
V. Antonovich
Institute of Building Materials, Gedinimas Vilnius Technical University
Email: rimvydas.stinys@vgtu.lt
Lituânia, Vilnius
R. Boris
Institute of Building Materials, Gedinimas Vilnius Technical University
Email: rimvydas.stinys@vgtu.lt
Lituânia, Vilnius
R. Stonis
Institute of Building Materials, Gedinimas Vilnius Technical University
Autor responsável pela correspondência
Email: rimvydas.stinys@vgtu.lt
Lituânia, Vilnius
R. Shukis
Building Materials and Fire Safety faculty, Gedinimas Vilnius Technical University
Email: rimvydas.stinys@vgtu.lt
Lituânia, Vilnius
E. Vitek
Refractory Materials Section in Glivitsa, Institute of Ceramic and Building materials
Email: rimvydas.stinys@vgtu.lt
Polônia, Opole