HOME MyTRB CONTACT US DIRECTORY E-NEWSLETTER FOLLOW US RSS


The National Academies

NCHRP 09-40 [Completed]

Optimization of Tack Coat for HMA Placement

  Project Data
Funds: $428,000
Research Agency: Louisiana Transportation Research Center
Principal Investigator: Louay Mohammad
Effective Date: 7/1/2005
Completion Date: 12/31/2011
Comments: The project final report is available as NCHRP Report 712.

The objectives of this study were 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.
 

The project final report is available as NCHRP Report 712, which includes Appendixes A, C, D, and F.

Appendixes B and D are available here to download.

NCHRP Project 09-40A, Field Evaluation of the Louisiana Interlayer Shear Strength Tester, was subsequently conducted to further validate the methodology developed in Project 09-40. The project final report is available as NCHRP Research Report 878: Validation of the Louisiana Interlayer Shear Strength Test for Tack Coat.



To create a link to this page, use this URL: http://apps.trb.org/cmsfeed/TRBNetProjectDisplay.asp?ProjectID=974