A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Cathodic Protection for Reinforced Concrete Bridge Decks: Laboratory Phase
The report describes a laboratory and prototype-model study of the application of cathodic protection to control corrosion of concrete bridge deck reinforcement. Both impressed-current and sacrificial-anode systems were examined. Laboratory studies of the electrochemical behavior of steel in a simulated concrete environment demonstrated that corrosion can be controlled by the application of cathodic current, and indicated desired criteria. Bond studies showed some loss of strength at a relatively high potential. A mathematical model was developed to predict rebar potentials for various applied voltages. Both the impressed-current approach and the sacrificial-anode approach to cathodic protection were concluded to show promise. An impressed-current system using a conductive overlay developed by Stratfull in California was concluded to offer the most practical approach. A sacrificial-anode system employing zinc ribbons on the deck surface was concluded to hold promise if certain problems could be overcome. A work plan for a field evaluation of cathodic protection systems was developed.
Cathodic Protection for Reinforced Concrete Bridge Decks: Laboratory Phase
The report describes a laboratory and prototype-model study of the application of cathodic protection to control corrosion of concrete bridge deck reinforcement. Both impressed-current and sacrificial-anode systems were examined. Laboratory studies of the electrochemical behavior of steel in a simulated concrete environment demonstrated that corrosion can be controlled by the application of cathodic current, and indicated desired criteria. Bond studies showed some loss of strength at a relatively high potential. A mathematical model was developed to predict rebar potentials for various applied voltages. Both the impressed-current approach and the sacrificial-anode approach to cathodic protection were concluded to show promise. An impressed-current system using a conductive overlay developed by Stratfull in California was concluded to offer the most practical approach. A sacrificial-anode system employing zinc ribbons on the deck surface was concluded to hold promise if certain problems could be overcome. A work plan for a field evaluation of cathodic protection systems was developed.
Cathodic Protection for Reinforced Concrete Bridge Decks: Laboratory Phase
J. B. Vrable (author)
1977
144 pages
Report
No indication
English
Cathodic Protection for Reinforced Concrete Bridge Decks
| NTIS | 1991
Galvanic cathodic protection for reinforced concrete bridge decks : field evaluation
| UB Braunschweig | 1981