Quality Assurance of Hot Mix Asphalt Pavements Using the Intelligent Asphalt Compaction Analyzer
Publication: Journal of Construction Engineering and Management
Volume 138, Issue 2
Abstract
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.
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Acknowledgments
The support of the Federal Highway Administration, Washington, DC; Volvo Construction Equipment, Shippensburg, Pennsylvania; Haskell Lemon Construction Co., Oklahoma City; and AL Blades & Sons Inc., Howard, New York, is gratefully acknowledged.
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Information & Authors
Information
Published In
Journal of Construction Engineering and Management
Volume 138 • Issue 2 • February 2012
Pages: 178 - 187
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Jul 28, 2010
Accepted: May 19, 2011
Published online: May 21, 2011
Published in print: Feb 1, 2012
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