Research Pays Off: Optimization of Tack Coat Applications in Asphalt Pavements: Louisiana Develops Evaluation Tools and Pilot-Tests Guidance

The latest edition of Research Pays Off included in the January–February 2015 edition of the TR News explores the need to develop procedures for selecting tack cost and methods to evaluate their quality in field applications. TRB’s National Cooperative Highway Research Program (NCHRP) Report 712: Optimization of Tack Coat for HMA Placement identifies the optimal application methods, including the types of equipment, the procedures for calibration, and the rates for tack coat application.
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