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Title	Feasibility Assessment of the Use of Recycled Aggregates for Asphalt Mixtures
ID_Doc	6886
Authors	Martinho, FCG; Picado-Santos, LG; Capitao, SD
Title	Feasibility Assessment of the Use of Recycled Aggregates for Asphalt Mixtures
Year	2018
Published	Sustainability, 10, 6
Abstract	The use of recycled aggregates, manufactured from several by-products, to replace virgin aggregates in the production of pavement asphalt mixtures needs to be encouraged. Nevertheless, there are some concerns and uncertainties about the actual environmental, economic and mechanical performance resulting from the incorporation of recycled aggregates in asphalt mixtures. Therefore, this paper has the goal of discussing important features to help decision makers to select recycled aggregates as raw materials for asphalt mixtures. Based on the literature review carried out and the own previous experience of the authors, the article's main findings reveal that incorporating some of the most common recycled aggregates into asphalt mixtures is feasible, even in a life-cycle analysis perspective. Although some specific technical operations are sometimes necessary when using recycled aggregates in asphalt mixtures, some benefits in terms of environmental impacts, energy use and costs are likely to be achieved, as well as in what concerns the mechanical performance of the asphalt mixtures.
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