Highway construction often faces challenges in ensuring long-term subgrade performance due to traditional compaction quality control (QC) methods that rely on manual ...

Regardless of how much experience an equipment operator has, it is difficult to achieve uniform compaction over a sizable area without the help of technology. Without technology, equipment operators ...

By: John L. Nieber, P.E., P.H., Ph.D., Bradley J. Hansen and John Siekmeier, P.E. In the construction of paved roads, one of the most important design aspects is the compaction of the subgrade ...

The final Federal Highway Administration-sponsored intelligent compaction and in-place HMA Density Project took place in August at a Canadian border crossing in northwest Washington State, and a new ...

Admittedly, many people’s first thoughts about a roadway are the actual materials that line the roads that we drive on. This asphalt material is durable, black, smooth and is designed to be seen, ...