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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Mechanistic Performance Analysis of Fiber-Reinforced Asphalt Pavement Overlays
verfasst von : Nitish R. Bastola, Mena I. Souliman, Ashish Tripathi, Alexander Pearson
Erschienen in: Finding Solutions of the 21st Century Transportation Problems Through Research and Innovations
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Abstract
Among the various distresses in flexible pavement structures, fatigue cracking can be accounted for as one of the major distresses that need to be addressed by pavement engineers. Numerous construction practices are introduced to reduce the effect of fatigue in pavement structures. One of such methods is applying fibers to the asphalt mixture to prolong the serviceability and the performance of the pavement structures. The use of fibers is applicable to freshly constructed pavements as well as in pavement rehabilitation and maintenance work, such as overlay. This paper primarily analyzes the application of fibers in pavement overlay structures. The two major pavement cases with original asphalt overlay and the one with fibers mixed asphalt overlay are considered utilizing a developed testing program where mechanistic analysis is evaluated. It was found that the fiber mixture pavement overlay had a higher pavement life than the ordinary asphalt overlay.