University of Illinois Urbana-Champaign

Evaluation of Various Tack Coat Materials Using Interface Shear Device and Recommendations on a Simplified Device

Ozer, H., Rivera-Perez, J.

Content Files
FHWA-ICT-17-021.pdf

Permalink

https://hdl.handle.net/2142/98921

Description

Title
Evaluation of Various Tack Coat Materials Using Interface Shear Device and Recommendations on a Simplified Device
Author(s)
Ozer, H., Rivera-Perez, J.
Issue Date
2017-12
Keyword(s)
  • Asphalt mixture
  • tack coats
  • emulsions
  • shear strength
  • interface
Date of Ingest
2017-12-21T22:41:29Z
Abstract
The performance of pavement interface bonds affects the integrity of pavement structures. In current practice, tack coats are used to ensure sufficient bonding between asphalt concrete (AC) layers as well as AC and concrete or aggregate base layers. A tack coat is a light application of bituminous materials to an existing surface using a distributor to provide sufficient bonding between pavement layers (Asphalt Institute, 1989). In the past, several research studies were conducted at the Illinois Center for Transportation to evaluate the effectiveness of tack coats between two AC layers and AC and Portland Cement Concrete (PCC) surfaces. In this study, the shear strength of seven types of tack coat materials were evaluated, four of which were hot-applied tack coat products. The results show that hot-applied products have superior shear strength as compared to emulsion type products. A simplified shear testing configuration was also acquired and preliminary testing was completed to provide some recommendations for its future use by the Illinois Department of Transportation.
Publisher
Illinois Center for Transportation/Illinois Department of Transportation
Series/Report Name or Number
FHWA-ICT-17-021
Type of Resource
text
Genre of Resource
Technical Report
Language
en
Permalink
http://hdl.handle.net/2142/98921
Sponsor(s)/Grant Number(s)
IDOT-R27-SP34
Copyright and License Information
No restrictions. This document is available through the National Technical Information Service, Springfield, VA 22161.

Owning Collections

Research and Publications - Illinois Center for Transportation PRIMARY