EUROPEAN STANDARD EN12390-18 NORME EUROPEENNE EUROPAISCHE NORM March 2021 ICS91.100.30 English Version Testing hardened concrete-Part 18:Determination of the chloride migration coefficient Essais pour beton durci-Partie 18:Determination du Prufung von Festbeton-Teil 18:Bestimmung des coefficient de migration des chlorures Chloridmigrationskoeffizienten This European Standard was approved by CEN on 8 February 2021. CEN members are bound to ply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English French German).A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria Belgium Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland France Germany Greece Hungary Iceland Ireland Italy Latvia Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Republic of North Macedonia Romania Serbia Slovakia Slovenia Spain Sweden Switzerland Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELEC Management Centre:Rue de la Science 23 B-1040 Brussels @2021 CEN All rights of exploitation in any form and by any means reserved Ref.No.EN12390-18:2021E worldwide for CEN national Members. EN12390-18:2021(E) Contents Page European foreword. .3 1 Scope............................ 4 2 Normative reference......................................... 4 3 Terms and definition................. 4 4 SymbolS.......................................