The Impact of grain crushing on road performance

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DOIResolve DOI: http://doi.org/10.1007/s10706-009-9256-1
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TypeArticle
Journal titleGeotechnical and Geological Engineering Journal
Volume27
Issue4
Pages549?558
SubjectRoads
AbstractThis paper presents the results of a study of grain crushing in road construction and its effect on road behaviour. Sieve analyses of field samples confirmed that grain crushing occurs during compaction of the base layer despite the good quality of aggregates used. Laboratory testing indicated that grain crushing reduces the resilient modulus of the aggregate material by half and increases the permanent deformations by one to three fold depending on the state of density and stresses considered. Road design and analyses undertaken to delineate the effect of grain crushing on performance showed that particle breakage yields a significant increase in rutting and longitudinal and alligator cracking of roads.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number49717
18743
NPARC number20377210
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Record identifier33fc950d-4cdd-4fe0-a0b0-dce95d193626
Record created2012-07-24
Record modified2016-05-09
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