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AASHTO PP 93

Standard Practice for Asphalt Tack Coat Design

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Organization: AASHTO
Publication Date: 1 January 2018
Status: active
Page Count: 5
scope:

This standard determines an application rate for emulsified asphalt or performance-graded (PG) asphalt binder for tack coats. A tack coat is the application of an emulsified asphalt or performance-graded (PG) asphalt binder, to an existing pavement surface just prior to placement of a pavement overlay course.

The tack coat is used to ensure a good bond between an existing asphalt or concrete pavement and a pavement overlay course, between multiple pavement lifts of a structural pavement, and at any vertical surfaces to which a new pavement layer will be placed adjacent, such as curbs, gutters, utilities, and construction joints.

Document History

AASHTO PP 93
January 1, 2018
Standard Practice for Asphalt Tack Coat Design
This standard determines an application rate for emulsified asphalt or performance-graded (PG) asphalt binder for tack coats. A tack coat is the application of an emulsified asphalt or...

References

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