Performance-based specification guidelines for the selection of bituminous-based hot-poured crack sealants

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TypeArticle
Journal titleJournal of the Association of Asphalt Paving Technologists
Volume78
Pages491532; # of pages: 42
SubjectRoads/Pavement
AbstractThe long-term performance of pavements depends in good part on the quality and frequency of maintenance. Appropriate maintenance protects the pavement from deterioration, corrects deficiencies, and ensures safe and smooth riding. Crack sealing is practiced on a routine basis as preventive maintenance and as part of corrective maintenance prior to an overlay or a greater rehabilitation project. A timely and properly installed sealant adds several years of service life to the pavement at a relatively low cost. As a consequence, the selection of an appropriate sealant in a maintenance project becomes an important issue. Current sealant selection is based on ASTM standards that consist of quality control tests, not of performance indicators. These standards do not consider the changes in mechanical properties due to aging or the differences in local service temperatures. The main purpose of this study was to develop a systematic process to help users to select appropriate bituminous
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number53253
20881
NPARC number20373890
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Record identifierdac829c2-4a04-40ee-863e-24352842ec05
Record created2012-07-23
Record modified2016-05-09
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