Journal
RESOURCES CONSERVATION AND RECYCLING
Volume 92, Issue -, Pages 230-245Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.resconrec.2014.07.007
Keywords
100% RAP recycling; Asphalt production; State-of-the-art; Rejuvenator; Asphalt cost; Sustainable pavement
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A holistic evaluation of the feasibility of producing 100% recycled mixtures is presented. Eleven technologies readily available for producing 100% Reclaimed Asphalt Pavement (RAP) hot asphalt mixtures are described in the article and the complementary video (http://youtu.be/coj-e5mhHEQ). The recorded performance of 100% RAP mixtures is analyzed along with identification of typical high RAP distresses. Recommended mix design procedures and the best RAP management strategies are described. A cradle-to-gate analysis of environmental effects indicated 18 kg or 35% CO(2)eq savings per t of produced 100% RAP asphalt mixture compared to virgin mix, while cost analysis showed at least 50% savings in material related expenses. (C) 2014 Elsevier B.V. All rights reserved.
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