Developing a real-time process control system for asphalt paving and compaction

Asphalt construction is a complex process filled with variables that influence asphalt quality significantly. Process parameters such as the temperature of the asphalt mat and compaction consistency need to be measured and observed using high accuracy sensors. Analysis of the sensor-derived temperature contour plots (TCPs) and compaction contour plots (CCPs) (available for the last decade) has suggested asphalt quality also linked to operator's behaviour, where his decisions mainly based on tacit knowledge. To eliminate 'blindness' of asphalt team about construction process itself, we consider to provide operators with essential data in appropriate way in real-time. This paper presents the solution of developing a real-time process control system for asphalt paving and compaction.
We explore current solutions, which are utilized in hot-mix asphalt pavement, and estimate the main set of drawbacks and benefits of them. Our analysis further revealed the strong need in real-time system. Providing data and visuals to the asphalt team in real-time is a complex task, demanding great effort in terms of system and software development. The results of such development need to be considered in future studies of monitoring systems for asphalt pavements.