Long-Term Field Performance of Warm Mix Asphalt Technologies (2017) / Chapter Skim
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3 Background Increased awareness of environmental sustainability has encouraged the use of low energy and low emission technologies, such as WMA, in the pavement industry. Compared with traditional HMA, WMA technologies can reduce the mixing and compaction temperatures by approximately 30°C to 50°C (55°F to 85°F)
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4This study was conducted in three phases. The work in Phase I identified a list of candidate WMA projects and developed an experimental plan for field performance measurements and laboratory characterization.
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5 2 years, West et al.
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6and occurrence of distresses. In the survey, the research team also requested basic selection criteria, such as permission for coring by the agencies, presence of a HMA control section, and age of pavements.
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