Performance life of HMA mixes : final report.
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2016-01-01
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Abstract:A number of hot mix asphalt (HMA) types, such as permeable friction course (PFC), stone mastic asphalts
(SMA), performance design mixes and conventional dense graded mixes are currently used to construct or overlay
roads. One of the important inputs into current pavement design programs is the performance lives of HMA mixes
since they significantly impact the life cycle cost analyses of the pavement structures and the ultimate selection
of the HMA type. Knowing performance lives is also key information when developing pavement maintenance
programs. Currently, the estimated performance life of different HMA mixes (including the frequency of overlay)
by the designers is highly subjective.
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