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Anodic polarization of buried or submerged- reinforced concrete structures and electrical insulating pipelines, comprises forming a passivation film at a metal/concrete interface to reinforce a new or recent construction structure
Anodic polarization of buried or submerged- reinforced concrete structures and electrical insulating pipelines, comprises forming a passivation film at a metal/concrete interface to reinforce a new or recent construction structure
The process for anodic polarization of reinforced concrete structures and electrical insulating pipelines that are buried or submerged, comprises forming a passivation film at a metal/concrete interface to reinforce a new or recent construction structure, and interposing a continuous current generator between construction frameworks and an earth point for stabilizing the electrochemical potential to 200 mV of the structure. The passivation film of old constructions is regenerated by placing the constructions under anodic polarization for 2-10 hours at 10-15 years. The process for anodic polarization of reinforced concrete structures and electrical insulating pipelines that are buried or submerged, comprises forming a passivation film at a metal/concrete interface to reinforce a new or recent construction structure, and interposing a continuous current generator between construction frameworks and an earth point for stabilizing the electrochemical potential to 200 mV of the structure. The passivation film of old constructions is regenerated by placing the constructions under anodic polarization for 2-10 hours at 10-15 years, when there is an abnormal reduction (= -300 mV) of the electrochemical potential of the structure. A direct current voltage gradient (DCVG) method is used for determining the insulation faults of buried coated steel tubes. A leakage of current is generated when the insulation fault occurs in the tubes.
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