When it comes to testing hot-mix asphalt (HMA), one can scarcely top the usefulness of real-world performance results. That is the basic principle behind the construction by the National Center for ...

Over 500 million tons of HMA are placed in the United States each year so it's important that the material be properly sampled and tested during construction to ensure satisfactory performance. When ...

It sounds simple, but you need to know what kind of lab you're trying to build before you get started. Do you need a lab that is just capable of doing routine quality control work or do you want a ...

This four-day course is designed for the technician testing hot mix asphalt (HMA) for roadways on local government agency projects that are not using Contractor Quality Control/Quality Assurance ...