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Publication Details

Tech Brief: Tack Coat Best Practices General Interest: provides practical guidance to engineers responsible for the day-to-day design, construction, rehabilitation, maintenance, and management of pavements.

Primary Topic: Materials-Asphalt

Description: This Technical Brief provides an overview of tack coats and their vital role bonding multiple asphalt layers into one monolithic system. Poor tack coat techniques result in compromised bonding of the asphalt layers. This leads to pavement distresses. Possible slippage cracking and delamination are associated with poor bonding. Additionally, poor bonding can lead to structural distresses, namely fatigue cracking and potholes. Often this lack of sufficient bonding is not recognized as the source of failures.

FHWA Publication Number: FHWA-HIF-16-017

Publication Year: 2016

Document Links: PDF (file size: 1 mb)



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Updated: 06/27/2017
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