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contributor authorYasir Ali
contributor authorMuhammad Irfan
contributor authorSarfraz Ahmed
contributor authorShafeeq Ahmed
date accessioned2017-12-16T09:02:25Z
date available2017-12-16T09:02:25Z
date issued2017
identifier other%28ASCE%29MT.1943-5533.0001888.pdf
identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4237767
description abstractRutting or permanent deformation is one of the severe distresses manifested in flexible pavements caused by the various mechanisms such as densification, lateral plastic flow, and/or loss of materials under wheel path due to repeated heavy traffic loads. Various laboratory tests have been devised to determine the rutting propensity and to optimize the field performance of hot mix asphalt (HMA) mixtures as a part of the HMA mix and structural design processes. Although various approaches exist to predict the permanent deformation of HMA, this study develops a relationship of flow number (FN), dynamic modulus (DM), and uniaxial repeated-load permanent deformation (RLPD) to enable the trade-off analysis among them. Also, a novel parameter, FN index, is explored and used to determine the rutting potential of HMA mixtures. Twelve globally practiced HMA mixtures are investigated with three different performance grade binders and single limestone aggregate source. Superpave gyratory compacted specimens are subjected to performance testing (FN, DM, and RLPD) and results indicate a strong correlation of FN index with DM and exhibit better correspondence than the traditional FN (cycles) parameter.
publisherAmerican Society of Civil Engineers
titleEmpirical Correlation of Permanent Deformation Tests for Evaluating the Rutting Response of Conventional Asphaltic Concrete Mixtures
typeJournal Paper
journal volume29
journal issue8
journal titleJournal of Materials in Civil Engineering
identifier doi10.1061/(ASCE)MT.1943-5533.0001888
treeJournal of Materials in Civil Engineering:;2017:;Volume ( 029 ):;issue: 008
contenttypeFulltext


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