Revolutionary Non-Destructive Asphalt Layer Measurement System Unveiled
Researchers at the Technical University of Munich (TUM) and the Fraunhofer Institute for Wood Research, Wilhelm-Klauditz-Institut (WKI) are collaborating on a revolutionary system for non-destructive measurement and analysis of asphalt base layers. This innovative approach aims to enhance road repair planning, ensuring sustainability and longevity with minimal traffic disruptions.
The system's core is a smart, large-area fabric made of flax fibers and sensor components, with sensor wire diameters under one millimeter. Embedded within the asphalt base layer, this fabric measures changes in electrical resistance, indicating the layer's condition. The data is then visualized on an internet platform, providing stakeholders with relevant information.
Currently, the method for assessing asphalt base layer condition involves destructive core sampling, which damages the road and requires closures. The new system aims to address this issue by offering a non-destructive alternative. Feasibility tests have already been successfully conducted in a lab, with ongoing testing on a flat test road segment in an industrial zone. The fabric is designed to withstand installation, environmental conditions, and heavy loads from trucks and road pavers.
The project also innovates in AI methods for analyzing data from the asphalt base layer, forecasting damage progression. This will enable better planning for road resurfacing, with longer-lasting results and less traffic disruption.
The collaborative research between TUM and WKI promises a significant improvement in asphalt base layer monitoring and road repair planning. By offering a non-destructive, sustainable, and efficient solution, the system aims to reduce road closures and enhance the longevity of road surfaces.
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