期刊
CONSTRUCTION AND BUILDING MATERIALS
卷 278, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2020.121993
关键词
Asphalt materials; Microwave heating; Sustainability
资金
- Ministerio de Economia, Industry and Competitiveness of Spain [BIA 2017-86253-C2-1-R]
Microwave heating has the potential to contribute to the sustainability of asphalt pavement construction and maintenance operations, but challenges such as the lack of laboratory standardization and the need for full-scale equipment and projects need to be overcome for wider adoption in the industry.
Microwave heating could contribute to the sustainability of several operations in the construction and maintenance of asphalt pavements. This paper aims at describing the current status of this technology and pointing out the next steps to promote its spreading in the asphalt industry. According to this investigation, asphalt binders are not susceptible to microwaves, but some types of aggregates remarkably promote the heating process. The addition of steel slag, metallic fibers or carbon nanomaterials can also enhance energy efficiency. Nevertheless, the lack of laboratory standardization and the need for full-scale equipment and projects can slow the use of this technology. (C) 2020 Elsevier Ltd. All rights reserved.
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