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    Papers in International JournalsChapters/ Papers in International BooksChapters/ Papers in National BooksCommunications in International ConferencesCommunications in National ConferencesMSc ThesesBooksProceedingsPatentsTechnical/ Scientific ReportsPhD Theses
    @JournalArticle {2642,
    	title = {Asphalt Surface Mixtures with Improved Performance Using Waste Polymers via Dry and Wet Processes},
    	journal = {Journal of Materials in Civil Engineering},
    	volume = {29},
    	year = {2017},
    	month = {2017-06-29 00:00:00},
    	publisher = {American Society of Civil Engineers},
    	abstract = {

    The mechanical performance of a typical surface course mixture, modified with two different plastic wastes, both via the wet and dry processes, was evaluated in this study. Water sensitivity, rutting resistance, stiffness modulus, and fatigue cracking resistance tests were used. The results obtained indicated that the polymer-modified mixtures showed similar or improved performance when compared with that of a conventional control mixture produced with a harder virgin grade bitumen, not always available, or available at higher costs, in several countries. Thus, modifying asphalt mixtures with these plastic wastes can be an economical and ecological alternative for paving works. Moreover, the mixtures produced via the dry process showed increased water sensitivity and stiffness modulus properties. This holds out new possibilities for use of polymer-modified mixtures, especially in developing countries, because it widens the possibility of using locally available bitumen, of variable quality, for producing mixtures with higher performance. This can be achieved at real scale with no major extra costs because the dry process does not require modification of typical asphalt plants.

    }, keywords = {Asphalt modification, Dry process, Mixture performance, Waste polymers, Wet process}, issn = {0899-1561 (print); 1943-5533 (online)}, doi = {10.1061/(ASCE)MT.1943-5533.0002022}, url = {http://ascelibrary.org/doi/full/10.1061/(ASCE)MT.1943-5533.0002022}, author = {Ranieri, M. and Costa, L. M. B. and Oliveira, J. R. M. and Silva, H. M. R. D. and Celauro, C.} }

    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 25 researchers holding a PhD of which 20 are faculty professors of the Civil Engineering Department. Read more


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    Centro de Território, Ambiente e Construção
    Escola de Engenharia da Universidade do Minho
    Campus de Azurém
    4800-058 Guimarães, Portugal

    Phone: + 351 253 510 200 (517 206)
    Fax: + 351 253 510 217

    Email: geral@ctac.uminho.pt


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