National Academies of Sciences%2c Engineering%2c and Medicine

State DOT Certification Programs for Materials Sampling and Testing Personnel

This appendix contains short descriptions of different certification programs related to materials sampling and testing that were referenced in the literature review. The programs are listed in ...
unr.edu

Asphalt testing

Asphalt mix design equipment: Includes Superpave gyratory, Hveem and Marshall Compactors. Stabilometers and Marshall Press. Asphalt mixture performance tester (AMPT): Measures mechanical properties of ...
For Construction Pros

Three Reasons To Abandon Asphalt Sampling Behind the Paver

Certain aspects of quality control testing hasn't changed all that much over the decades. While it is necessary and extremely important, when working with various Departments of Transportation (DOT) ...
The Conversation

Recycling asphalt pavement can help the environment − now scientists are putting the safety of recycled pavement to the test

More than 90% of paved roads in the U.S. are made of asphalt, which is constructed with nonrenewable materials such as petroleum. One way to make paving more sustainable is to recycle old pavement.
National Academies of Sciences%2c Engineering%2c and Medicine

State DOT Certification Programs for Materials Sampling and Testing Personnel

The literature review presented in this chapter describes the DOT certification programs and how they were developed in different ways, in part due to the flexibility found in 23 CFR 637B. Included is ...