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 ...

How can you perform a ground test when you can’t drive a spike? A new customer has just awarded you a service contract to perform standard electrical maintenance for a large suburban mall. As part of ...

The Alaska Department of Transportation & Public Facilities is on the front line when it comes to promoting new technologies that give them continuous, full-coverage asphalt pavement density testing ...

The scientists claim their technology can produce the type of asphalt binders with the ability to weather pavement cracking and rutting and shorten training time for operators to learn how to use ...

Determining the bulk specific gravity of fine aggregate is important when designing hot mix asphalt. The bulk specific gravity is used in calculating the voids in the mineral aggregate of an HMA ...

Working with NDOT, the Pavement Engineering & Science program in the Western Regional Superpave Center has developed a standalone standard for asphalt testing that has been adopted by ASTM. After 10 ...

Northern Kentucky is part of a statewide experiment testing out rubber-modified asphalt on county roads. Kenton is one of four counties to get a state grant for the project. The modified asphalt uses ...

The Hawaii Department of Transportation and partners on Tuesday demonstrated a new road paving method using recycled plastic. At top, trucks lined up on Fort Weaver Road to begin paving. Above, ...