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dnaSRPS EN 12390-18:2021/A1:2022

Testing hardened concrete - Part 18: Determination of the chloride migration coefficient

General information

50.20     May 30, 2024

50.60    Jul 25, 2024



European Norm




This document specifies the procedure for obtaining the non-steady-state chloride migration coefficient of specimens of hardened concrete at a specified age (see Annex A). The test procedure does not take into account any interaction of concrete with the saline solution over time. The test result is a durability indicator with respect to the resistance of the concrete investigated against chloride penetration.
The test procedure does not apply to concrete specimens with surface treatments such as silanes.
If the aggregate or any other embedded elements (such as metallic fibres or conducting particles) are electrically conductive, this will influence the magnitude of chloride migration. This fact is taken into account when establishing threshold values. It prevents comparison of chloride migration values between concretes if the aggregates induce a difference of half an order of magnitude (higher or lower) of chloride migration.

Life cycle


dnaSRPS EN 12390-18:2021/A1:2022
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
May 30, 2024

Related project

Adopted from EN 12390-18:2021/FprA1 IDENTICAL


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