Rapid assessment of the tracking resistance of bituminous crack sealants

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TypeArticle
Journal titleCanadian Journal of Civil Engineering
Volume34
IssueJanuary 1
Pages126131; # of pages: 6
Subjectpavements, roadways, maintenance, sealants, sealing, specification, testing, performance; Roads/Pavement; Pavements
AbstractThe bituminous sealants used in the preventive maintenance of pavements sometimes deform (track) under the action of passing vehicles. In summer, this is the prevalent mode of sealant failure. To assess the propensity of a sealant to deform in summer a standard flow test is used, but the imprecision in the results have prevented any correlation with field performance. In an attempt to find an alternative means of assessing deformation, two methods were evaluated. The first method relied on the use of the French rut tester, whereas the second method relied on the use of a Taber abraser. The first method was found to be inappropriate to test sealants because of its severity, but the second method proved promising. The Taber abraser allowed for the measurement of sealant displacement at various temperatures, and for distinguishing the deformation propensity of sealants.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number48642
17931
NPARC number20378236
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Record identifier37936b84-7e4b-4b8c-b65f-3c25f9c0ab58
Record created2012-07-24
Record modified2016-05-09
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