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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Stabilization of Industrial By-Products in Mortars Containing Metakaolin
Author(s): M. Cyr, R. Idir, G. Escadeillas, S. Julien,
and N. Menchon
Publication: Special Publication
Appears on pages(s): 51-62
Keywords: compressive strength; flexural strength; heavy metals; leaching; metakaolin; municipal solid waste incineration fly ash; sewage sludge ash; shrinkage; waste.
Abstract:This study concerns the possibility of reusing two industrial by-products from combustion processes (MSWIFA -- Municipal Solid Waste Incineration Fly Ash and SSA -- Sewage Sludge Ash) in cement-based materials containing metakaolin. The experimental program included tests on mortars to evaluate the impact of ternary binders (cement, metakaolin and residue) on the technological and environmental properties of concrete intended for non-structural applications. The binders were composed of 75% cement, 22.5% metakaolin and 2.5% residue. Results on the technological and environmental behaviour of mortars showed that the mechanical, dimensional and leaching properties were not affected by the residues. The use of metakaolin especially led to a significant decrease in soluble fractions and heavy metals released from the binder matrix.
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