What if roads could repair themselves without human intervention? An international team of researchers is working on an innovative asphalt capable of filling cracks before they turn into potholes. This breakthrough, optimized by artificial intelligence, could be a game-changer for our road infrastructure.
Potholes, those cavities that litter our roads, represent a global problem. In France as well as in the UK, they generate astronomical costs for motorists and local authorities. Faced with this observation, scientists have developed a self-healing asphalt, combining bio-based materials and AI tools to extend the lifespan of road surfaces.
Asphalt inspired by nature
Traditional asphalt cracks due to oxidation and traffic, allowing water to seep in and worsen the damage. To address this, researchers have integrated microscopic plant spores filled with recycled oils into the asphalt. When a crack appears, these oils are released, softening the asphalt and enabling spontaneous repair.
In the laboratory, this process allowed a micro-crack to be filled in less than an hour. According to the researchers, this technology could increase the longevity of roads by 30%. However, further testing is needed to determine how many repair cycles the material can withstand.
Artificial intelligence at the service of roads
To optimize this self-healing asphalt, scientists have turned to AI. In collaboration with Google Cloud, they modeled the behavior of the organic molecules in the asphalt, simulating oxidation and cracking processes. This approach has accelerated research and improved the composition of the material.
Thanks to these tools, researchers have been able to explore more effective and durable material combinations. This synergy between civil engineering, chemistry, and computer science paves the way for more resilient and less costly road infrastructure to maintain.
A sustainable solution for the future
In addition to its self-healing properties, this innovative asphalt uses biomass waste, thereby reducing dependence on petroleum resources. This approach aligns with a circular economy logic, by valorizing local and low-cost materials.
Researchers estimate that this technology could be deployed on a large scale within a few years. It would represent a sustainable alternative to traditional repair methods, while also helping to reduce carbon emissions associated with asphalt production.
Article author: Cédric DEPOND