Progress in the influence of recycled construction and demolition mineral-based blends on the physical–mechanical behaviour of ternary cementitious matrices

•Combining the fine fraction of CDW (glass and concrete) yields viable pozzolans.•Their use at 7% replacement level gives cements compliant with current standards.•Blended mortars show slightly lower mechanical strength and resistivity values.•Calcareous concrete wastes increase capillary absorption...

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Veröffentlicht in:Construction & building materials 2022-08, Vol.344, p.128169, Article 128169
Hauptverfasser: Monasterio, Manuel, Caneda-Martínez, Laura, Vegas, Iñigo, Frías, Moisés
Format: Artikel
Sprache:eng
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Zusammenfassung:•Combining the fine fraction of CDW (glass and concrete) yields viable pozzolans.•Their use at 7% replacement level gives cements compliant with current standards.•Blended mortars show slightly lower mechanical strength and resistivity values.•Calcareous concrete wastes increase capillary absorption more than siliceous ones. The serious technical and environmental problems associated with the management of construction and demolition wastes (CDW) have led to a worldwide growing interest in the recycling of that waste stream as secondary raw material for sustainable building applications. This research work investigates the physical and mechanical behaviour of mortars made with ternary cements containing 7% of a binary recycled CDW mixture comprising the fine fraction (
ISSN:0950-0618
1879-0526
DOI:10.1016/j.conbuildmat.2022.128169