For several years, government agencies, contractors and universities have studied thermal segregation and its negative impacts on our asphalt highways. One of the most advanced research studies at the time was conducted by the Texas Transportation Institu …

The compaction of road materials such as soils, aggregate bases or asphalt paving materials with vibratory rollers is an essential element in the construction of highways, airports, buildings, sewers, and bridges. On road and building construction sites, m …

Part of the road running along- side the Rhine River, was in need of re-construction. As a result of increased traffic and axle loads, crocodile cracks and deep lane grooves became clearly evident. Originally, it was thought that only the wearing course wa …

Hi everyone, My name is Ali Joukar, I have recently joined this great community and I am very glad! I am a PhD candidate in engineering science at Louisiana State University, with a concentration on project management and quantitative methods, currently …

Here is an excerpt from the Asphalt Contractor magazine concerning Intelligent Compaction: To-date, equipment manufacturers have been unable to consistently relate the measurement of buildup of stiffness beneath a drum to an actual density value; instead …

“Do you use grade control to build a quality road”? If you answered “Yes”, then “Well done”. But wait …there’s more to know. Smoothness is an important indicator for a well-built road. However, the asphalt material and temperature play at least an equally …