Tomsk scientists learned to track metal corrosion through concrete layer
For troubleshooting, the researchers have suggested heating the backbones by imposing a current. Using special devices, one might observe the irradiation of heat from the backbones. The rust does not conduct the current and, therefore, can be found out.
The amount of reinforced concrete constructions in Russia inherited from the Soviet period is still quite large and will serve at least until the end of XXI century. That is why the diagnostics of reinforced concrete will also be demanded in future.