Wednesday, September 20th, 2017 15:50:26
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Interesting – A Road That Can Repair it Self




Interesting – A Road That Can Repair it SelfAuto & Technology

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The Switzerland researchers have patented a new method for making of the road. According to them, they have prepared a new method which will increase the spine of the road by two times. They proposed that the new technology have the ability to fill up its own cracks.

With the help of this technique, the potholes on the road will be the things of the past, this will reduce a good amount of money people spent on their automobile maintenance. The researchers said they have used nano-technology, a large amount of iron oxide mixed with bitumen – the sticky, viscous black binder obtained from crude oil (used to keep road material together).  Ever-so-slightly heating up this asphalt using a small magnetic field melts the bitumen, allowing it to seep into the minute cracks to ‘self-heal’.

Etienne Jeoffroy from the Complex Materials lab at ETH Zurich and Empa (the Swiss Institute for Materials Science) is part of the team that created a magnet eic nano-particulate additive that gives asphalt self-healing properties. “The idea is that we have nanoparticles fused with this binder [the bitumen],” Jeoffroy told Reuters. “The idea is to focus on this binder and to heat it up so that it can flow slowly and close the cracks.”

Jeoffroy said in an interview that “roads are exposed to a lot of mechanical and thermal stress, as well as environmental effects. The technology will prevent stress-induced cracks from ever forming again. But a once-yearly application of an electromagnetic field to the road would repair them and will increase the life of the road. You apply a little bit of the magnetic field and it’s sufficient to make the black binder liquid enough to flow inside the microcracks. When you repeat this every year you will be able to double the lifetime of the road,” he said.”

Jeoffroy added, “entire roads will need to be constructed using this nano-tech infused bitumen to make it completely self-healing. But the embedded magnetic nanoparticles are added to the asphalt during its preparation and then applied to the road surface as normal; meaning no additional skills or equipment are needed.” He said, it would be good if the cars can come with inbuilt magnetic field generators, that would simply drive over the new road, and at the same time it will ignite the magnetic nanoparticles and will start the healing process.

He further said, “The idea is to have a truck that would carry this magnetic field with a large coil to cover the maximum surface. With this process, you’ll only need to close the road for a few hours and you have time to go with your truck over the road and in a few seconds locally the road will be heated at the temperatures where the binder is flowing.”

He also said with the help of this technology the existing potholes on the road can also be repaired, you just have to mix little nanoparticles inside the mixture, and apply a magnetic field locally to give enough temperature to make the joint between the new material and the old road.

The company is now looking for the partnership so that they can scale up their system and find the most effective method to use the technology in the real world. With the help of this technology, many things can be solved in the near future.

Content by: Tohid Sheikh

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