Transcription of CATHODIC PROTECTION DESIGN
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CATHODIC PROTECTION DESIGNSTRUCTUREM etal, DESIGN Life, Dimensions, Coatings, OtherCOST AND IMPLEMENTATIONLOCATIONE nvironmental Conditions, Other StructuresANODE AND HARDWARE SELECTIONC urrent Output, DESIGN Life, TYPEI mpressed Current, Sacrificial CURRENT DEMANDI nitial, Mean, CRITERIAP otential for CATHODIC Protectionfrom Swain Classnotes (1996) 2 Table of Contents Introduction .. 3 Structure .. 3 Location .. 3 CP Criteria .. 4 Potential Values .. 4 300 mV Shift .. 5 100 mV Shift .. 5 E-log-I Curve .. 6 Anodic Current Discharge Points .. 6 CATHODIC PROTECTION Current Demand .. 6 Recommended Practice RP B401, Det Norske Veritas .. 6 Uncoated Steel .. 7 Coated Steel ..7 pipeline 9 Concrete .. 9 Current Requirements for Pipelines in Soils of Different 10 Current Requirements for Ship 11 Cp Type.
corrosion. Cathodic protection (CP) is one of the few methods that successfully ... When the design life of the CP system exceeds that of the coating system then f c (average) is calculated as follows: ... 5.1.3 Pipeline Coatings The coating breakdown factors as shown in table 5.2 apply equally to both buried and
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