Purdue's invention for reducing road repairs is being considered by interstates across the United States. A growing number of U.S. highways are poised to test an innovative device from Purdue University, which could potentially save taxpayers millions of dollars and substantially lessen traffic con
A new Purdue invention, a sensor that lets concrete “talk,” is set to be trialled on a growing number of U.S. interstates, promising to reduce construction time, frequency of repairs, and the carbon footprint of roads.
The device is a sensor that allows concrete to “talk”, thereby reducing the duration of construction and the frequency of concrete pavement maintenance. This innovation enhances the road’s sustainability and considerably reduces its carbon emissions. Purdue University researcher Luna Lu has developed technology that could replace methods the construction industry has been using for more than a hundred years to test when concrete structures are ready to take on an external load. Credit: Purdue University/Rebecca McElhoe
According to data from the Federal Highway Administration, concrete pavement makes up less than 2% of U.S. roads but approximately 20% of the U.S. interstate system. Lu’s research has focused on improving the conditions of concrete pavement first because it is the most challenging road material to repair. Concrete interstate pavement also must reliably support a large proportion of the nation’s traffic.
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