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The future of eco-friendly cold mix asphalt

Shanbara, HK, Dulaimi, AF, Al-Mansoori, T, Al-Busaltan, S, Herez, M, Sadique, M and Abdel-Wahed, T (2021) The future of eco-friendly cold mix asphalt. Renewable and Sustainable Energy Reviews, 149. ISSN 1364-0321

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Abstract

Road pavements are pivotal to the infrastructure, transportation and ultimate efficiency of both the public and the economy. However, they are undeniably having detrimental effects on an already compromised environment. Consequently, a re-think about road pavement construction materials is of paramount importance. Cold mix asphalt (CMA) is a low carbon manufacturing approach to the production of flexible pavement material that has proved to be very promising, both economically and ecologically. This technology allows the manufacture of mixtures at ambient temperatures without heating huge amounts of aggregates and bitumen, this decreasing CO2 emissions and saving energy. In spite of these positive impacts, CMA has a high sensitivity to traffic and environmental stresses due to the existence of water within the mixture, this of major concern to the industry. This study aims to review types of CMA and the main developments involved in cold bitumen emulsion mixture (CBEM) technology that can be used without decreasing in-service performance. This review also aims to provide a practical guide for the manufacture of bitumen emulsion and the design procedure of CBEM for the road pavements industry. Finally, it can be suggested that CMA is a crucial technique for pavement construction, as it provides acceptable performance alongside energy-saving and ecological objectives.

Item Type: Article
Uncontrolled Keywords: 09 Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TE Highway engineering. Roads and pavements
Divisions: Civil Engineering & Built Environment
Publisher: Elsevier
Date Deposited: 21 Jun 2021 09:34
Last Modified: 21 Jun 2021 09:34
DOI or Identification number: 10.1016/j.rser.2021.111318
URI: https://researchonline.ljmu.ac.uk/id/eprint/15147

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