Wastes as Aggregates, Binders or Additions in Mortars: Selecting Their Role Based on Characterization
Autor
Brazao Farinha, Catarina
Brito, Jorge de
Veiga, Rosário
Fernández, J.M.
Jiménez, José Ramón
Romero Esquinas, Álvaro
Editor
MDPIFecha
2018Materia
Cement mortarIndustrial waste
Re-use
Recycle
Materials characterization
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The production of waste has increased over the years and, lacking a recycle or recovery
solution, it is forwarded to landfill. The incorporation of wastes in cement-based materials is a solution
to reduce waste deposition. In this regard, some researchers have been studying the incorporation of
wastes with different functions: aggregate, binder and addition. The incorporation of wastes should
take advantage of their characteristics. It requires a judicious analysis of their particles. This research
involves the analysis of seven industrial wastes: biomass ashes, glass fibre, reinforced polymer
dust, sanitary ware, fluid catalytic cracking, acrylic fibre, textile fibre and glass fibre. The main
characteristics and advantages of each waste are enunciated and the best type of introduction in
mortars is discussed. The characterization of the wastes as particles is necessary to identify the most
suitable incorporation in mortars. In this research, some wastes are studied with a view to their
re-use or recycling in mortars. Thus, this research focuses on the chemical, physical and mechanical
characterization of industrial wastes and identification of the potentially most advantageous type
of incorporation.