EN 12446:2003

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.PQLNDAbgasanlagen - Bauteile - Außenschalen aus BetonConduits de fumée - Composants - Enveloppes externes en bétonChimneys - Components - Concrete outer wall elements91.100.30Beton in betonski izdelkiConcrete and concrete products91.060.40Dimniki, jaški, kanaliChimneys, shafts, ductsICS:Ta slovenski standard je istoveten z:EN 12446:2003SIST EN 12446:2003en01-september-2003SIST EN 12446:2003SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12446April 2003ICS 91.060.40English versionChimneys - Components - Concrete outer wall elementsConduits de fumée - Composants - Enveloppes externesen bétonAbgasanlagen - Bauteile - Außenschalen aus BetonThis European Standard was approved by CEN on 2 January 2003.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12446:2003 ESIST EN 12446:2003

Test methods.14A.1Heat stress resistance and heat shock test.14A.1.1Apparatus.14A.1.2Test assembly.15A.1.3Test environment and conditioning.15A.1.4Procedure.16Annex B (normative)
Requirements of sampling plan according to ISO 2859-1 at an Acceptable QualityLevel (AQL) and inspection level S2 Inspection Procedure.19B.1Acceptability determination.19B.1.1Single sampling.19B.1.2Double sampling.19B.2Normal inspection.19B.3Normal.21SIST EN 12446:2003

Clauses of this European Standard addressing the provisions of the EUConstruction Products Directives.23Bibliography.28SIST EN 12446:2003

General — Part 2: Wire dimensions and tolerances.ISO 2859-1, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptancequality limit (AQL) for lot-by-lot inspection.3 Terms and definitionsFor the purposes of this European Standard the terms and definitions given in EN 1443:1999 apply, as well as thefollowing:3.1chimney fittingchimney component, except a chimney section, conveying products of combustion3.2concretematerial formed by mixing cement, aggregate and water and with or without the incorporation of admixtures, additions,glass fibres or steel fibres which develops its properties by hydration of the cement[EN 206-1:2000]SIST EN 12446:2003

having steel reinforcement to assist handling3.10solid wall outer wall elementouter wall element without cavities in the thickness of its walls3.11straight outer wall elementouter wall element having the ends perpendicular to the axis of the flue3.12storey-height outer wall elementfactory made outer wall element having an overall length relating to the floor to floor height of a building3.13pre-cast concreteconcrete that is cast and cured in a place other than its final location of use3.14resistance to fire of outer wall elementsability of the outer wall elements and fittings to be resistant to soot fireSIST EN 12446:2003

- 5 %:7.4Squareness of endsWhen testing in accordance with either procedure described in A.3 of EN 1857:2003 the permissible deviation fromsquareness of ends of concrete outer wall elements shall not be greater than 10 mm at 'G' for the first procedure.With the second procedure the deviation shall not be more than 5 mm at 'G' for elements up to 400 mm at 8 mm at'G' for elements greater than 400 mm in length (height).SIST EN 12446:2003

stress test temperatureTemperature groupTemperature of flue gas°CT 600700 050+T450550 050+T 400500 050+T 300350 035+T250300 030+T 200250 025+T 160190 019+T140170 017+T 120150 015+T100120 012+T 080100 010+8.3Thermal resistanceThermal resistance shall be measured according to the method given in A.4 of EN 1858:2003 or calculated accordingto the method given in annex C of EN 1858:2003 and the value obtained declared.8.4Compressive strength8.4.1The manufacturer shall declare the structural height. When tested as described in A.8 of EN 1857:2003straight outer wall elements shall withstand an intensity of loading equivalent to four times the manufacturer'sdeclared structural height.8.4.2Outer wall element bends and fittings made of the same material mix and by the same method ofmanufacture as the tested straight elements shall be deemed to conform to 8.4.1.8.4.3Outer wall elements made from a different material mix, or using a different method of manufacture fromthose described in 8.4.2, shall be checked for compressive strength by testing a special straight test sample inaccordance with 8.4.1. This special straight test sample shall be made using the same material mix andmanufacturing method as the bend or fitting.SIST EN 12446:2003
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