Nemkumar Banthia an Indian professor, who teaches civil engineering students at the University of British Columbia in Canada, has developed a type of road that can repair themselves.
As a demonstration project, Nemkumar Banthia has already installed a stretch of road at a village about 90 kilometres from Bengaluru. The project was completed in late winter last year and now has survived all the four seasons without any problems.
The self-repairing road
And how does it work exactly? The roads are made up of high strength concrete that is supplemented with fibre reinforcement and the nano-coating enables the self-healing by absorbing any water on it. This prevents water from staying on the road while simultaneously keeping the road hydrated.
The road also helps reduce carbon footprint as almost 60% of the cement, in the roads has been replaced by fly ash. It is the production of cement that produces a large amount of greenhouse gases. The thickness of the road, which is 60% less than the typical Indian road, also goes a long way in reducing the cost of building the road.
video 1 minute
Single dirt road connecting Thondebavi with rest of the world.
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Posted by: Ravi Narasimhan <ravi.narasimhan.in@gmail.com>
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