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AuthorSadeq M.
AuthorMasad E.A.
AuthorAl-Khalid H.
AuthorSirin O.
Available date2020-04-07T11:46:18Z
Publication Date2018
Publication NameAdvances in Materials and Pavement Performance Prediction - Proceedings of the International AM3P Conference, 2018
ResourceScopus
URIhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85061264126&partnerID=40&md5=7f7ea018630118f41c9fdbc188814e00
URIhttp://hdl.handle.net/10576/13907
AbstractThis study documents the use of high-resolution X-Ray Computed Tomography to characterise air void distribution in Fine Aggregate Mixtures (FAM) prepared using Warm Mix Asphalt (WMA) additives (W-FAM). Specimens were imaged before and after subjecting them to repeated creep and recovery test. The produced images were digitally analysed to measure the air voids size in the samples and changes that occurred due to testing. While the same compaction effort was used to prepare all specimens, mixes prepared using WMA additives had less percentage of air voids than the control mix. In general, the increase in percentage of air voids happened in specimens that had larger air voids prior to loading. In addition, there was more changes in air voids in the original (control) specimens than the W-FAM specimens.
SponsorThis work was made possible by the NPRP award [NPRP 5-506-2-203] from the Qatar National Research Fund (a member of Qatar Foundation).
Languageen
PublisherCRC Press/Balkema
SubjectCharacterisation
air voids in w-fam
x-ray ct imaging
TitleCharacterisation of air voids in w-fam samples using x-ray ct imaging
TypeConference Paper
Pagination97-100
dc.accessType Abstract Only


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