Journal
MATERIALS
Volume 14, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/ma14051244
Keywords
energy consumption; greenhouse gas emissions; induced healing; LCA
Categories
Funding
- National Key R&D Program of China [2017YFE0111600]
- National Natural Science Foundation of China [51778515, 7181101180]
- Technological Innovation Major Project of Hubei Province [2019AEE023]
- Key R&D Program of Hubei Province [2020BCB064]
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This paper demonstrates the sustainability of induced healing asphalt pavement by comparing it with traditional maintenance methods, showing that induced healing asphalt pavement has lower energy consumption and environmental emissions compared to traditional asphalt pavement.
In this paper, the sustainability of induced healing asphalt pavement is demonstrated by comparing the impact of asphalt pavement maintained by induced healing asphalt pavement technology and traditional maintenance methods (such as milling and overlaying). The functional unit selected is a 1-km lane with an analysis period of 20 years. The stages to be considered are material manufacturing, paving, maintenance, milling and demolition. Two case studies were analyzed to assess the impact of different technologies on the energy consumption and environmental performance of each maintenance alternative. By comparing the energy consumption and environmental emissions of the whole life cycle of pavement under the two technical conditions, the results show that the total energy consumption of traditional asphalt pavement is about 2.5 times that of induction-healed asphalt pavement, and the total greenhouse gas (GHG) emissions of the former are twice as much as that of the latter.
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