Fresh-state performance of recycled aggregate concrete: A review

By R. Silva, Jorge de Brito, R. Dhir. Construction and Building Materials, 2018

237 citations recorded by the source corpus.

Abstract This paper presents a literature review concerning the fresh properties of concrete containing recycled aggregates from beneficiated construction and demolition wastes. It starts with the identification of the main variables affecting the workability of concrete, such as the quality and moisture state of the recycled aggregates. The effectiveness of water-reducing admixtures and of mineral additions on the fresh properties of recycled aggregate concrete is also analysed. A brief insight is given on the influence of using recycled aggregates on the main characterizing parameters of the material’s rheological behaviour. Other properties of recycled aggregate concrete in its fresh state are also discussed, including stability (i.e., bleeding and segregation), temperature of hydration, air content, and fresh density.

Subfields: Building and Construction, Civil and Structural Engineering

View Paper: https://www.semanticscholar.org/paper/ccf39730ef2f1c42aa57165e8646e5f8165a7b58

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