prEN 12390-18
(Main)This document describes the procedure for obtaining the non-steady-state chloride migration coefficient of specimens of hardened concrete at a specified age. 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 is electrically conductive or porous this will influence the magnitude of chloride migration. This fact has to be taken into account when establishing threshold values. It prevents comparison of chloride migration values between concretes if the aggregates show a difference of half an order of magnitude (higher or lower) of chloride migration.
Similar influence may be seen when metallic or electrically conducting fibres or particles are present.
Prüfung von Festbeton - Teil 18: Bestimmung des Chloridmigrationskoeffizienten
Dieses Dokument beschreibt das Verfahren für den Erhalt des nicht stabilen Chloridmigrationskoeffizienten von Festbetonprobekörpern eines bestimmten Alters. Das Prüfverfahren berücksichtigt keine Wechsel¬wirkung von Beton mit der Kochsalzlösung über die Zeit. Das Prüfergebnis ist ein Dauerhaftigkeitsindikator in Bezug auf den Widerstand des untersuchten Betons gegen das Eindringen von Chlorid.
Das Prüfverfahren gilt nicht für Betonprobekörper mit Oberflächenbehandlungen wie Silanen.
Wenn die Gesteinskörnung elektrisch leitfähig oder porös ist, wird dies die Größenordnung der Chlorid-migration beeinflussen. Dieser Umstand wird bei der Festlegung von Grenzwerten berücksichtigt. Es verhindert den Vergleich von Chloridmigrationswerten zwischen Betonen, wenn die Gesteinskörnungen eine Differenz von einer halben Größenordnung (höher oder niedriger) der Chloridmigration aufweisen.
Ein ähnlicher Einfluss kann beobachtet werden, wenn metallische oder elektrisch leitende Fasern oder Partikel vorhanden sind.
Essai sur béton durci - Partie 18: Détermination du coefficient de migration des chlorures
Preskušanje strjenega betona - 18. del: Določanje koeficienta migracije klorida
General Information
Standards Content (sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Prüfung von Festbeton - Teil 18: Bestimmung des ChloridmigrationskoeffizientenEssai sur béton durci - Partie 18: Détermination du coefficient de migration des chloruresTesting hardened concrete - Part 18: Determination of the chloride migration coefficient91.100.30Beton in betonski izdelkiConcrete and concrete productsICS:Ta slovenski standard je istoveten z:prEN 12390-18oSIST prEN 12390-18:2019en,fr,de01-januar-2019oSIST prEN 12390-18:2019SLOVENSKI
STANDARDoSIST prEN 12390-18:2019
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
DRAFT prEN 12390-18
November
t r s z ICS
{ sä s r rä u r English Version
Testing hardened concrete æ Part
s zã Determination of the chloride migration coefficient Essai sur béton durci æ Partie
s zã Détermination du coefficient de migration des chloruresPrüfung von Festbeton æ Teil
s zã Bestimmung des Chloridmigrationskoeffizienten This draft European Standard is submitted to CEN members for enquiryä It has been drawn up by the Technical Committee
If this draft becomes a European Standardá CEN members are bounwhich stipulate the conditions for giving this European Standard the status of a national standard without any alterationä
This draft European Standard was established by CEN in three ofer language made by translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
Recipients of this draft are invited to submitá with their commentsá notification of any relevant patent rights of which they are aware and to provide supporting documentationä
Warning ã This document is not a European Standardä It is distributed for review and commentsä It is subject to change without notice and shall not be referred to as a European Standardä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:Rue de la Science 23,
B-1040 Brussels
t r s z CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä prEN
s t u { ræ s zã t r s z EoSIST prEN 12390-18:2019prEN 12390-18:2018 (E) 2 Contents Page
European foreword ....................................................................................................................................................... 3 1 Scope .................................................................................................................................................................... 4 2 Normative references .................................................................................................................................... 4 3 Terms and definitions ................................................................................................................................... 4 4 Symbols ............................................................................................................................................................... 5 5 Principle ............................................................................................................................................................. 5 6 Apparatus and equipment ........................................................................................................................... 5 7 Preparation of specimens ............................................................................................................................ 8 7.1 Preparing sub-specimens ............................................................................................................................. 8 7.2 Preparing test specimens ............................................................................................................................. 8 8 Procedure........................................................................................................................................................... 9 8.1 Installation of the test specimens in the migration cell .................................................................... 9 8.2 Installation of the migration cell in the migration apparatus ........................................................ 9 8.3 Test procedure ................................................................................................................................................. 9 9 Test evaluation .............................................................................................................................................. 13 9.1 Determination of the mean and maximum penetration depth ................................................... 13 9.2 Determination of the chloride migration coefficient MRCM ........................................................ 13 10 Variations of the procedure ..................................................................................................................... 14 10.1 Specimens of polymer repair concrete and mortar ......................................................................... 14 10.2 Specimens of sprayed mortar and sprayed concrete as well as sprayed polymer modified repair concrete (SPCC) ............................................................................................................ 14 10.3 For specimens from site............................................................................................................................. 14 11 Test report ...................................................................................................................................................... 15 12 Precision estimate ...................................................................................................................................
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