AASHTO MP 44
Standard Specification for Materials for Ultrathin Bonded Wearing Course
|Publication Date:||1 January 2020|
This standard covers the requirements for polymer-modified emulsified asphalt, performancegraded asphalt binder, mineral aggregate, mineral filler, and additives used in an ultrathin bonded wearing course. An ultrathin bonded wearing course, usually 1/2 to 1 in. (12.5 to 25.4 mm) thick is placed on existing pavement surfaces using specially designed paving machines.