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Title:Evaluating the Impact of QC/QA Programs on Asphalt Mixture Variability
Authors:Nathan Butts and Khaled Ksaibati
University:University of Wyoming
Publication Date:Jun 2003
Report #:MPC-03-146
Project #:MPC-223
TRID #:00960459
Keywords:asphalt pavements, benefits, contractors, costs, evaluation, hot mix asphalt, pavement performance, quality assurance, quality control, road construction, service life, specifications, testing, variables


In this study, the researchers evaluated the effectiveness of quality control/quality assurance (QC/QA) specifications in decreasing hot mix asphalt (HMA) variability. A questionnaire was written to gather general information about the QC/QA specification programs that are being used in the United States, and an evaluation of the effectiveness of the QC/QA specification being used by the Wyoming Department of Transportation (WYDOT) in decreasing HMA variability was conducted as a case study.

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