Quality Assurance of Hot Mix Asphalt Pavements Using the Intelligent Asphalt Compaction Analyzer

Adequate compaction of asphalt pavements during their construction is essential to the long-term performance of the pavement. Current quality control techniques determine the quality at a limited number of points and are not indicative of the overall quality of the pavement. In this paper, the intel...

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Bibliographic Details
Published in:Journal of construction engineering and management 2012-02, Vol.138 (2), p.178-187
Main Authors: Beainy, Fares, Commuri, Sesh, Zaman, Musharraf
Format: Article
Language:English
Subjects:
Applied sciences
Asphalt
Bitumen. Tars. Bituminous binders and bituminous concretes
Buildings. Public works
Construction
Density
Estimates
Exact sciences and technology
Materials
Pavements
Quality assurance
Quality control
Road construction. Pavements. Maintenance
Surfacing
TECHNICAL PAPERS
Transportation infrastructure
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Summary:Adequate compaction of asphalt pavements during their construction is essential to the long-term performance of the pavement. Current quality control techniques determine the quality at a limited number of points and are not indicative of the overall quality of the pavement. In this paper, the intelligent asphalt compaction analyzer (IACA) is used to estimate the density of an asphalt pavement during its construction and thereby determine the overall quality of compaction. A comparison of these estimates with the percent within limits (PWL) calculations based on roadway cores demonstrates that the IACA can be effectively used as a nondestructive quality assurance (QA) tool. Further, since the IACA continuously estimates the density of the asphalt in real time, inadequate compaction can be addressed during the construction, thereby improving the overall quality of pavement. Thus, the IACA can also serve as a valuable quality control (QC) tool during the construction.
ISSN:0733-9364
1943-7862
DOI:10.1061/(ASCE)CO.1943-7862.0000420