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The Influence of Substitution of Fly Ash with Marble Dust or Blast Furnace Slag on the Properties of the Alkali-Activated Geopolymer Paste

Worldwide, it is now known that industrial by-products rich in silicon (Si) and aluminum (Al) can be transformed by alkaline activation into so-called “green concrete”, an efficient and sustainable material in the field of construction; the geopolymer material. In this work, geopolymer materials pro...

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Bibliographic Details
Published in:Coatings (Basel) 2023-02, Vol.13 (2), p.403
Main Authors: Ionescu, Brăduţ Alexandru, Barbu, Alexandra-Marina, Lăzărescu, Adrian-Victor, Rada, Simona, Gabor, Timea, Florean, Carmen
Format: Article
Language:English
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Summary:Worldwide, it is now known that industrial by-products rich in silicon (Si) and aluminum (Al) can be transformed by alkaline activation into so-called “green concrete”, an efficient and sustainable material in the field of construction; the geopolymer material. In this work, geopolymer materials produced using fly ash and marble dust or blast furnace slag were studied to assess the influence of these substitutions on the performances of the final product. Geopolymer materials have been characterized by physico-mechanical methods, FTIR spectroscopy and microscopically. The analysis of the results indicates the reduction of the mechanical strength performance by substituting the fly ash as the raw material.
ISSN:2079-6412
2079-6412
DOI:10.3390/coatings13020403