Smart concrete could let roads repair themselves

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“Intelligent concrete” could cut down on road repairs and traffic, researchers report.

The new technology would allow concrete-paved bridges and highways to reveal more accurately when they need repairs and to come equipped with materials that respond to potential damage.

“We look at how we can address problems in infrastructure using materials and sensors that harness artificial intelligence and big data,” says Luna Lu, an associate professor in Purdue University’s Lyles School of Civil Engineering. “The idea is to make infrastructure adaptive, sustainable, and resilient.”

An experiment shows concrete healing its own cracks within 28 days. (Credit: Cihang Huang/Purdue) Cutting

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