CATHODIC PROTECTION DESIGN

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CATHODIC PROTECTION DESIGNSTRUCTUREMetal, DESIGN Life, Dimensions, Coatings, OtherCOST AND IMPLEMENTATIONLOCATIONEnvironmental Conditions, Other StructuresANODE AND HARDWARE SELECTIONCurrent Output, DESIGN Life, TYPEImpressed Current, Sacrificial CURRENT DEMANDInitial, Mean, CRITERIAPotential for CATHODIC Protectionfrom Swain Classnotes (1996) 2Table of Contents Introduction ........................................ ........................................ ........................................ .......... 3 Structure ........................................ ........................................ ........................................ .............. 3 Location ........................................ ........................................ ........................................ ............... 3 CP Criteria.

⇒ fusion bonded epoxy + adhesive + polyethylene or polypropylene ⇒ polychloroprene rubber ⇒ equivalent coating systems based on an inner layer dedicated to corrosion protection and one or more outer layers for mechanical protection. This is as follows: ( ) 0.07 0.004( 20) ( ) 0.05 0.002( 30) = + − = + − c r c r f final t f average t 5 ...

  Fusion, Bonded, Fusion bonded