Caption:Bridges, tunnels and other civil engineering structures could become safer thanks to self-repairing concrete being developed as part of a "European research project".
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Further information:Engineers at Ghent University in Belgium have taken a lead role in the pioneering work. The polymers are added to the concrete mix. Once it is dry, the researchers crack it to see how it reacts. Then they quantify its mechanical behaviour, impermeability and durability.
Link this video: http://www.science-media.org/74