Cathodic protection on concrete offshore platforms
Journal Article
·
· Mater. Performance; (United States)
OSTI ID:5482345
Experience with five cathodically protected North Sea concrete platforms has demonstrated the value of interconnecting the concrete-reinforcement steel with cathodically protected metal items on the structure (rather than insulating the steel from them) as a means of bringing the entire structure under the protection of the corrosion-control system. Lessons learned from this experience point out the importance of the duct material in safeguarding the prestressing tendons, the limitations of cathodic protection in cases of coating cracking and disbondment, and the precautions to be taken against stray welding currents. An improved approach to corrosion prevention focuses on the design philosophy, the current required by the reinforcing bar and well casing, the corrosion protection inside piping shafts and risers, and the required monitoring systems.
- OSTI ID:
- 5482345
- Journal Information:
- Mater. Performance; (United States), Journal Name: Mater. Performance; (United States) Vol. 19; ISSN MTPFB
- Country of Publication:
- United States
- Language:
- English
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