MnROAD Cracking Group Experiment: Validation of Low-Temperature Cracking Tests for Balanced Mix Design
In 2014-2015, the Minnesota Road Research Facility (MnROAD) and the National Center for Asphalt Technology (NCAT) developed an experimental plan ...
Evaluation of IDEAL-CT Testing Equipment
The IDEAL-CT has become a popular cracking test in the asphalt industry. Many sources of variability in the IDEAL-CT testing results have been studied ...
In-Service Performance of Airport Flexible Pavements Constructed Following State Specifications for Highway Pavement Materials
Flexible pavements consisting of asphalt mixtures and granular bases are commonly used on airfields and highways. Although there are many similarities ...
Novel Methods for Adding Rejuvenators in Asphalt Mixtures with High Recycled Binder Ratios
The overall objective of this study was to explore three novel rejuvenator application methods using the emulsion and foaming technologies and determine ...
LCCA Elements: Recommendation for Discount Rate
The missions of transportation agencies across the United States are inextricably connected to the welfare of the people in the communities they serve. Many will find this statement unsurprising ...
Phase VII (2018-2021) NCAT Test Track Findings
The National Center for Asphalt Technology (NCAT) Test Track is a successful pavement proving ground originally constructed in 2000. The 1.7-mile oval track is a unique accelerated pavement testing ...
NCAT Performance Testing Round Robin
A round robin study was conducted by the National Center for Asphalt Technology (NCAT) to assist with the implementation of mixture performance testing for balanced mix design (BMD) efforts ...
Implementation Spotlight: Paving Thick Lifts for Deep Rapid Rebuilds
Research has shown that the minimum thickness of a plant-mix asphalt paving lift should be three times the nominal maximum aggregate size (NMAS) of the aggregate blend for fine-graded mixtures ...