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Heat treatment of processing sludge of ornamental rocks: application as pozzolan in cement matrices

Autor(en):




Medium: Fachartikel
Sprache(n): Englisch
Veröffentlicht in: Revista IBRACON de Estruturas e Materiais, , n. 2, v. 8
Seite(n): 100-123
DOI: 10.1590/s1983-41952015000200004
Abstrakt:

The sector of ornamental rocks produces significant volume of waste during the sawing of the blocks and demand to find ways to recycle, given its environmental impact. Considering the possibilities of use of industrial by-products as mineral admixtures, aiming at sustainable development in the construction industry, this paper aims to study the performance of the processing sludge of ornamental rocks and grinding after heat treatment, based on their potential application as partial substitute for cement. The residue was characterized, cast and milled to produce glassy material. Was analyzed the mechanical performance and pozzolanic activity with partial replacement of cement by waste in natural condition and after heat treatment in mortars for comparison. The results were promising, so it was possible to verify that after heat treatment, the treated waste is presented as a material with pozzolanic characteristics.

Structurae kann Ihnen derzeit diese Veröffentlichung nicht im Volltext zur Verfügung stellen. Der Volltext ist beim Verlag erhältlich über die DOI: 10.1590/s1983-41952015000200004.
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  • Reference-ID
    10413460
  • Veröffentlicht am:
    12.02.2020
  • Geändert am:
    12.02.2020
 
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