Digital image processing for aggregate orientation in asphalt concrete mixtures

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TypeArticle
Journal titleCanadian Journal of Civil Engineering
Volume23
Issue2
Pages480489; # of pages: 10
SubjectRoads; Roads/Pavement; Roads
AbstractThis paper applies an innovative digital image processing technique to quantify the orientations of coarse aggregate particles (=: 2 mm) in asphalt concrete mixtures such as hot mix asphalt, stone matrix asphalt, and large stone asphalt compacted in the laboratory or field. The results indicate quantitatively that asphalt concrete specimens compacted in the field or in the laboratory with gyratory compactor have an oriented structure of aggregate particle distribution where the major cross sections of aggregate particles have the tendency to lie horizontally, and that aggregate particles are more randomly oriented in the asphalt concrete specimens compacted in the laboratory with the Marshall compactor.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number40114
6942
NPARC number20338490
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Record identifierc2258ce8-6203-4550-b2c2-995a18cfebcb
Record created2012-07-19
Record modified2016-05-09
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