NEW SACRIFICIAL CATHODE PROTECTION SYSTEM FOR STEEL IN CONCRETE.

Industrial Environment | January 1, 1999 | Copyright

Cathodic protection (CP) using impressed current is an accepted and common method to provide corrosion protection to steel in concrete. Sacrificial cathodic protection, however, is relatively easy to apply, does not require that the anode be electrically isolated from the steel, and does not require an external power supply. Attempts to apply sacrificial anode CP to bridge structures have met with limited success, because conventional sacrificial anode alloys operate at a low fixed potential, and the conductivity of concrete often does not permit satisfactory current ...

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