Optimization of Tack Coat for HMA Placement (2012) / Chapter Skim
Currently Skimming:
Summary
Summary
Pages 1-3
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 1... ...
In addition, quality-control and quality-assurance testing of the tack coat construction process is rarely conducted, resulting in the possibility of unacceptable performance at the interface and even premature pavement failure. The main objectives of this project are to determine optimum application methods, equipment type and calibration procedures, application rates, and asphalt binder materials for the various uses of tack coats and to recommend revisions to relevant AASHTO methods and practices related to tack coats.
|
From page 2... ...
Therefore, the milled HMA surface provided the greatest interface shear strength followed by PCC, old HMA, and new HMA surface. Table S-1 presents the recommended tack coat residual application rates for different surface types.
|
From page 3... ...
• With respect to the tack coat spray application quality in the field: – Tensile strength of each tack coat material increased, reached a peak, and then decreased as the temperature increased. The tack coat materials tested using LTCQT exhibited a maximum tensile strength, SMAX, at a distinct temperature, TOPT.
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.