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Título
Self-compacting concrete manufactured with recycled concrete aggregate: An overview
Autor
Publicado en
Journal of Cleaner Production. 2020, V. 262, 121362
Editorial
Elsevier
Fecha de publicación
2020-07
ISSN
0959-6526
DOI
10.1016/j.jclepro.2020.121362
Résumé
The use of different types of waste in the manufacture of concrete is increasingly common, due to
unabating concerns over climate change and sustainability in the construction sector. It is now widely
accepted that the optimal behavior of vibrated concrete produced with the addition of certain wastes can
rival the behavior of conventional products. The manufacture of special concretes, such as selfcompacting concrete, is also currently under investigation, although the state of knowledge in this
field is not so well developed. In this review paper, current and past research articles on the design of
self-compacting concrete with recycled concrete aggregate, both by itself and in combination with other
wastes, are summarized and assessed. Research is presented into recycled concrete aggregate properties
and the mix-design of the self-compacting concretes that contain them, as well as relevant results on the
fresh state (workability, rheology), the hardened state (compressive strength, splitting tensile and flexural strength, modulus of elasticity, density, and porosity), durability (resistance to aggressive agents),
long-term properties of concrete (shrinkage, creep), and structural elements manufactured with selfcompacting concrete containing recycled concrete aggregate. The results under review reaffirm that
the incorporation of recycled concrete aggregate can produce a suitable self-compacting recycled concrete, on the basis of careful designs that are essential for successful performance.
Palabras clave
Self-compacting concrete
Recycled concrete aggregate
Flowability
Hardened state
Durability
Structural elements
Materia
Ingeniería civil
Civil engineering
Materiales de construcción
Building materials
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