I.S. CEN TS 15280:2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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EVALUATION OF A.C. CORROSION LIKELIHOOD OF BURIED PIPELINES - APPLICATION TO CATHODICALLY PROTECTED PIPELINES
Hardcopy , PDF
20-08-2013
English
01-01-2006
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 A.C. interference sources
5 Simplified description of a.c. corrosion process
6 Evaluation of a.c. corrosion likelihood
6.1 Prerequisite
6.2 General
6.3 Installation/use of coupons
6.4 Influence of a.c. voltage on the structure
6.5 Off potential influence
6.6 Influence of a.c. current density
6.7 Influence of the on potential toward a.c. corrosion
likelihood
6.8 Influence of current ratio "I[a.c.]/I[d.c.]"
6.9 Influence of soil characteristics on a.c. corrosion
likelihood
6.10 Assessment of the a.c. corrosion likelihood of the
pipeline by using corrosion coupons
7 Design consideration
7.1 General
7.2 New interference cases (pipelines/power lines/traction
systems in the design phase) - Condition for calculation
8 Interpretation of data, limits and relevant aspects
9 Mitigation measures
10 Monitoring
Annex A (informative) Assessment of the corrosion condition by
using the electric resistance technique
Annex B (informative) Coulometric oxidation of corrosion products
formed by a.c. corrosion
Bibliography
Applies to buried cathodically protected metallic structures and influenced by a.c. traction systems and/or a.c. power lines.
| DocumentType |
Standard
|
| Pages |
27
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| CEN/TS 15280:2006 | Identical |
| EN 12954:2001 | Cathodic protection of buried or immersed metallic structures - General principles and application for pipelines |
| PREN 50443 : DRAFT 2011 | EFFECTS OF ELECTROMAGNETIC INTERFERENCE ON PIPELINES CAUSED BY HIGH VOLTAGE A.C. ELECTRIC TRACTION SYSTEMS AND/OR HIGH VOLTAGE A.C. POWER SUPPLY SYSTEMS |
| ISO 11845:1995 | Corrosion of metals and alloys General principles for corrosion testing |
| EN 13509:2003 | Cathodic protection measurement techniques |
| ISO 8407:2009 | Corrosion of metals and alloys Removal of corrosion products from corrosion test specimens |
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