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Manufacture of precast concrete products with recycled aggregates

Mechanical and durability properties


The present study is about the utilisation of recycled aggregates, coming from construction and demolition wastes, for manufacturing concrete kerbs and floor blocks which are used in pavements and floor slabs respectively. The natural coarse and fine aggregates were replaced by two kinds of recycled aggregates: the first one with concrete waste in its composition, and the second one with masonry wastes coming from clay brick factories. The concrete was made with 0%, 20%, 50%, 70% and 100% of replacement.

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University of Oviedo, Spain
Department of Construction and Manufacturing Engineering

CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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