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Normas BSI – AENOR
BS EN 14038-1:2016

BS EN 14038-1:2016

Electrochemical realkalization and chloride extraction treatments for reinforced concrete. Realkalization

Fecha:
2016-08-31 /Definitive
Comité:
GEL/603
Equivalencias internacionales:

EN 14038-1:2016

Relación con otras normas BSI:

Reemplaza a: DD CEN/TS 14038-1:2004

Resumen:

This European Standard specifies a procedure for carrying out impressed current electrochemical realkalization (ER) of carbonated reinforced concrete in existing structures. It is applicable to atmospherically exposed parts of structures with ordinary reinforcement embedded in concrete.

This European Standard does not apply to concrete containing prestressing steel which can suffer hydrogen embrittlement during realkalization, or to concrete containing epoxy-coated or galvanized reinforcement, or if chloride contamination is contributing to reinforcement corrosion.

NOTE

In case of post-tensioned prestressing concrete, the endangered tendon strands may be shielded by the tendon ducts from unwanted and/ or exceeded polarization into the cathodic range and respective water reduction.

Keywords:
Alkalis, Reinforced concrete, Carbonates, Corrosion protection, Repair, Migration (chemical), Structures, Electrolytes, Electrochemistry, Chlorides, Concretes, Extraction
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