NEN-EN 12954:2017 Ontw. en

General principles of cathodic protection of buried or immersed onshore metallic structures

  • Deze norm is ingetrokken sinds 01-10-2018

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Over deze norm

Status Ingetrokken
Aantal pagina's 38
Gepubliceerd op 19-02-2017
Taal Engels
This European Standard describes the general principles for the implementation and management of a system of cathodic protection against corrosive attacks on structures which are buried or in contact with soils, surface fresh waters or underground waters, with and without the interference of external electrical sources. It specifies the protection criteria to be achieved to demonstrate the cathodic protection effectiveness. For the so called complex structures that cannot be electrically isolated from neighbouring influencing structures, it may be impossible to use the criteria defined in the present standard. In this case, EN 14505 should be applied (see 9.4 “Electrical continuity/discontinuity”). For helping the decision to apply or not cathodic protection to some buried structures, the corrosion likelihood should be evaluated using Annex A, which summarize EN 12501-1 [2] and EN 12501-2 [3] requirements. Cathodic protection of structures immersed in seawater is covered by EN 12473 and a series of standards more specific for various applications. Cathodic protection for reinforced concrete structures is covered by EN ISO 12696. This European Standard is applicable in conjunction with: - EN 50162 to manage d.c. stray currents, - EN 15280 to manage corrosion due to a.c. interference with high voltage power sources and a.c. traction systems, - EN 13509 for cathodic protection measurement techniques, - EN 50443 to manage protection for touch and step voltage.


ICS-code 23.040.99
Engelse titel General principles of cathodic protection of buried or immersed onshore metallic structures
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