Piao, Zhengyin; Mikhailenko, Peter; Kakar, Muhammad Rafiq Khan; Bueno, Moises; Hellweg, Stefanie; Poulikakos, Lily D. (2021). Urban mining for asphalt pavements: A review Journal of Cleaner Production, 280(280), p. 124916. Elsevier Ltd 10.1016/j.jclepro.2020.124916
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The increasing consumption of natural resources for road construction and generation of urban waste materials are two global ecological problems. Urban mining aims to convert waste materials into raw materials for industrial production, and as a result, address both problems simultaneously. This study explores the potential of urban mining for asphalt pavement surface courses. In the first part, as each country/region has its unique challenge with waste materials, a screening method taking the EU and Switzerland as case studies is employed to select waste materials that potentially qualify for asphalt surface courses. The second part presents a review of laboratory studies regarding the performance of asphalt mixtures with selected waste materials. Based on the industrial experience, the third part dis- cusses the technology, specifications and cost considerations of asphalt surface courses with waste materials. Furthermore, the technical maturities for using waste materials are estimated in terms of technology readiness level (TRL). Overall, the paper demonstrates that various categories of waste ma- terials can be potentially used in asphalt surface courses, revealing urban mining opportunities. The selected waste materials may improve the performance of asphalt mixtures with optimization of several factors, such as the fraction size and amounts of waste materials for addition or replacement. The TRL results showed that using crumb rubber (wet process) and steel slag are currently more mature than using other waste materials in asphalt surface course.
Item Type: |
Journal Article (Review Article) |
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Division/Institute: |
School of Architecture, Wood and Civil Engineering School of Architecture, Wood and Civil Engineering > Institute for Urban Development and Infrastructure > Transport Infrastructure |
Name: |
Piao, Zhengyin; Mikhailenko, Peter; Kakar, Muhammad Rafiq Khan; Bueno, Moises; Hellweg, Stefanie and Poulikakos, Lily D. |
ISSN: |
09596526 |
Publisher: |
Elsevier Ltd |
Language: |
English |
Submitter: |
Muhammad Rafiq Khan Kakar |
Date Deposited: |
16 Feb 2022 10:52 |
Last Modified: |
08 Apr 2022 08:37 |
Publisher DOI: |
10.1016/j.jclepro.2020.124916 |
Related URLs: |
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ARBOR DOI: |
10.24451/arbor.16548 |
URI: |
https://arbor.bfh.ch/id/eprint/16548 |
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