My favorite graduate school professor, Marshall Thompson, PhD, professor emeritus at the University of Illinois, had a folksy way of boiling down engineering concepts to the basics. “Pavements keeps us out of the mud.” During a typical lunchtime, I would sit in the reception area of Talbot Laboratory, reading […]
Throughout history, roads have been built with local materials. The Romans used mountain and volcanic rock quarried into slabs. Gravel and cobbles were used for early roads in the United States. Where available, thick oil was poured over compacted aggregate to produce an all-weather Macadam road. For a large portion of […]