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Design Considerations on Cathodic Protection for Buried Pipelines and Marine Structures

Abstract

Cathodic protection is a method of corrosion control that can be applied to buried and submerged metallic structures. It is normally used in conjunction with coatings and can be considered as a secondary corrosion control technique. The primary corrosion control method on any given structure is normally a coating system that can be between 50% and 99% efficient depending upon age, type, method of installation, etc. A properly designed and maintained cathodic protection system will take up the remainder and will result in a highly efficient corrosion protection system. This chapter discusses design considerations on cathodic protection for both buried ...

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