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Title	Circular Building Process: Reuse of Insulators from Construction and Demolition Waste to Produce Lime Mortars
ID_Doc	8004
Authors	Ferrandez, D; Yedra, E; Moron, C; Zaragoza, A; Kosior-Kazberuk, M
Title	Circular Building Process: Reuse of Insulators from Construction and Demolition Waste to Produce Lime Mortars
Year	2022
Published	Buildings, 12, 2
Abstract	This research aims to revalue the possibilities presented by lime mortars for use in renovation and as cladding material on facades. The study focuses on analyzing the technical feasibility of lime mortars with the incorporation of residues from three types of thermal insulation materials: expanded polystyrene with graphite especially suitable for use on facades; expanded polystyrene for use indoors; and insulating mineral wool. The incorporation of these construction and demolition residues makes it possible to improve several technical performance aspects of lime mortars, and to incorporate circular economy criteria in the manufacturing process of these materials. The results showed that the incorporation of mineral wool improves the mechanical resistance to the bending of mortars, increases their durability against freeze-thaw cycles and salt crystallization, and reduces the final shrinkage of mortars. For their part, mortars with the addition of polystyrene-insulating residues reduce mechanical resistance, but also reduce thermal conductivity, and are lighter, which is why they are shown as a possible alternative for use in precast.
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