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    Recycled stone mastic asphalt mixtures incorporating high rates of waste materials

    TitleRecycled stone mastic asphalt mixtures incorporating high rates of waste materials
    Publication TypePapers in International Journals
    Year of Publication2018
    AuthorsFernandes S. R. M., Silva H. M. R. D., and Oliveira J. R. M.
    Abstract

    The new environmental targets set to save natural resources and recover waste materials have been the basis for several scientific studies in different research areas. Consequently, this work aims at developing recycled stone mastic asphalt mixtures with high rates of waste materials, including reclaimed asphalt pavements, waste engine oil products, waste polyethylene and crumb rubber. This new solution was compared with a conventional stone mastic asphalt mixture. Several blends of high penetration bitumens modified with waste materials and reclaimed aged bitumen were evaluated through basic and advanced tests, and the most promising solutions were selected to produce recycled stone mastic asphalt mixtures for further characterization. The water sensitivity, permanent deformation, and fatigue cracking performance of those mixtures incorporating high rates of different waste materials were generally improved. The exceptional behavior of these recycled mixtures together with the high incorporation rate of waste materials demonstrate the innovative character of these solutions for the road paving industry.

    JournalConstruction and Building Materials
    Volume187
    Pagination1-13
    Date Published2018-10-30
    PublisherElsevier Ltd
    ISSN0950-0618
    DOI10.1016/j.conbuildmat.2018.07.157
    URLhttps://www.sciencedirect.com/science/article/pii/S0950061818318294
    KeywordsAged bitumen, Mechanical performance, Polymer modification, Reclaimed asphalt pavement, Recycled engine oil bottoms, Recycled mixtures, Rheology, Stone mastic asphalt (SMA), Waste engine oil, Waste polymers
    RightsopenAccess
    Peer reviewedyes
    Statuspublished
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    About CTAC

    The Centre for Territory, Environment and Construction (CTAC) is a research unit of the School of Engineering of University of Minho (UMinho), recognised by the “FCT – Fundação para a Ciência e Tecnologia” (Foundation for Science and Technology), associated to the Department of Civil Engineering (DEC), with whom it shares resources and namely human resources.

    Currently CTAC aggregates 24 researchers holding a PhD of which 20 are faculty professors of the Civil Engineering Department. Read more


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