The "poker chip" method, created by TxDOT and the University of Austin, has been adopted by AASHTO as a new national binder testing standard.

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

This chapter addresses the common practices and test methods (standards) that are used for certification programs for the basic material categories of soils and aggregate, asphalt mixture, and ...

Troxler Electronic Laboratories has added the Enhanced RoadReader Plus Model 3451 to its line of nuclear moisture density gauges. The TransTech PQI301 is a non-nuclear pavement quality indicator ...

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 ...

LAS VEGAS, Nev. (FOX5) - Engineers with the Nevada Department of Transportation say Las Vegas is one of the few cities in the entire country that has to use a special kind of asphalt called PG76, that ...