Mix it Up

As stated by R. Bruce Noel at the 1977 annual meeting of the Association of Asphalt Paving Technologists (AAPT), “The single most important construction control that will provide for long-term […]

Long-life or perpetual pavements are designed and built to last longer than 50 years, requiring only a periodic mill and inlay of the surface layer. The pavement structure is designed […]

At this time, states don’t expect a contractor to submit a separate mix design for warm-mix asphalt (WMA) pavements that are part of a project. Instead, the contractor will submit […]

If you learn that eating sandwiches made with white bread on a daily basis could lead to intestinal problems, would you continue to eat white bread every day? Some consumers […]

A growing number of highway agencies are revising their asphalt specs to establish limits or trigger points for reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) based on how […]

Sieve shakers save considerable time and improve accuracy and repeatability of particle size tests when compared to hand-shaking methods by increasing the opportunities for particle passage. Modern sieve shakers can […]

Researchers in Canada give new hope to the use of recycled glass in asphalt pavements with the work of a large partnership. During a Dec. 1, 2015, press conference, Robert […]

Asphalt labs around the world use rotational viscosity to measure binder viscosity. Highway departments in each country have practiced this method of testing even before the Strategic Highway Research Program […]