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- W2995130431 abstract "Although pavement maintenance and rehabilitation (M&R) techniques are usually examined in economic terms, there is a growing need to address their environmental footprints. The objective of this study is to assess the environmental impacts of M&R techniques. Life cycle assessment (LCA) can help in the decision-making process of selecting suitable maintenance techniques based on their environmental impacts. This study investigates: patching, rout & sealing, hot in-place recycling, and cold in-place recycling. Global warming potential (GWP), acidification potential, human health particulate, eutrophication potential, ozone depletion potential, and smog potential are estimated as environmental impacts for each maintenance activity. Materials, equipment use (for construction and M&R), and transportation were the main elements considered. A sensitivity test is performed to identify the significant factors for the LCA. The study concluded that GWP was the most important impact category. Rout & sealing and cold in-place recycling produced the lowest GWP emissions. Notably, pavement patching and hot in-place recycling showed significant detrimental environmental impacts." @default.
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- W2995130431 date "2020-12-01" @default.
- W2995130431 modified "2023-10-18" @default.
- W2995130431 title "Life cycle assessment of asphalt pavement maintenance and rehabilitation techniques: a study for the City of St. John’s" @default.
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- W2995130431 doi "https://doi.org/10.1139/cjce-2019-0540" @default.
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