BS EN 494-2012 Fibre-cement profiled sheets and fittings Product specification and test methods《纤维水泥型板及配件 产品技术规范和试验方法》.pdf
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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 494:2012Fibre-cement profiled sheetsand fittings Productspecification and test methodsCopyright European Committee for Standardization Provided by IHS under license with CE
2、NNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 494:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 494:2012. It supersedes BS EN 494:2004, which is withdrawn.The UK participation in its preparation was entrusted to
3、 Technical Committee B/542/4, Fibre reinforced cement sheeting for roofing.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct
4、application. The British Standards Institution 2012. Published by BSI Standards Limited 2012.ISBN 978 0 580 72598 2 ICS 91.100.40 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strat
5、egy Committee on 30 November 2012.Amendments issued since publicationDate T e x t a f f e c t e dCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 494:2012EUROPEAN STANDARD N
6、ORME EUROPENNE EUROPISCHE NORM EN 494 October 2012 ICS 91.100.40 Supersedes EN 494:2004+A3:2007English Version Fibre-cement profiled sheets and fittings - Product specification and test methods Plaques profiles en fibres-ciment et accessoires - Spcifications du produit et mthodes dessai Faserzement-
7、Wellplatten und dazugehrige Formteile - Produktspezifikation und Prfverfahren This European Standard was approved by CEN on 11 August 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a natio
8、nal 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 vers
9、ion 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, C
10、zech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
11、 EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 494:2012: ECopyright Eu
12、ropean Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 494:2012EN 494:2012 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms and definitions .64 Symbols and abbreviations
13、 75 Product requirements .85.1 General 85.1.1 Composition .85.1.2 Appearance and finish 85.2 Dimensions and tolerances 95.2.1 General 95.2.2 Categorisation by height of profile 95.2.3 Thickness .95.2.4 Tolerances on nominal dimensions 105.3 Physical requirements and characteristics for fibre-cement
14、profiled sheets 115.3.1 General . 115.3.2 Apparent density. 115.3.3 Mechanical characteristics 115.3.4 Water impermeability . 135.4 Durability requirements . 135.4.1 General . 135.4.2 Freeze-thaw . 135.4.3 Heat-rain 135.4.4 Warm water 145.4.5 Soak-dry . 145.5 Summary of characteristics and classific
15、ation . 145.5.1 Summary of characteristics . 145.5.2 Classification . 145.6 Fire and safety . 155.6.1 External fire performance 155.6.2 Reaction to fire 155.6.3 Release of dangerous substances 155.7 Product information 156 Evaluation of conformity 166.1 General . 166.2 Initial Type testing 166.3 Fac
16、tory Production Control (FPC) 176.3.1 General . 176.3.2 Acceptance tests 176.3.3 Equipment . 186.3.4 Raw materials and components 196.3.5 Product testing and evaluation . 196.3.6 Non-conforming products . 196.4 Inspection of a consignment of finished products . 197 Test methods . 197.1 General . 197
17、.2 Dimensional tests . 197.2.1 Dimensional tests for sheets . 19Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 494:2012EN 494:2012 (E) 3 7.2.2 Dimensional tests for fittin
18、gs . 227.3 Tests for physical performance and characteristics . 227.3.1 Apparent density . 227.3.2 Mechanical characteristics . 237.3.3 Water impermeability 277.3.4 Warm water 277.3.5 Soak-dry . 287.4 Tests for climatic performance 307.4.1 Freeze-thaw 307.4.2 Heat-rain . 317.4.3 Freeze-thaw test for
19、 fittings 327.5 Test for fire performance 337.5.1 Test for external fire performance . 337.5.2 Test for reaction to fire . 338 Marking, labelling and packaging 38Annex A (normative) Figures . 40Annex B (normative) Consignment inspection sampling . 52Annex C (normative) Statistical method for determi
20、ning the corresponding wet values or revised dry specifications for the breaking load and/or bending moment when carrying out the dry method of test for quality control purposes 53C.1 Procedure . 53C.2 Determination of the correlation between the results of testing wet and dry specimens . 53C.3 Dete
21、rmination of the regression line . 54C.4 Determination of a value for wet testing from an obtained value for dry testing . 54C.5 Determination of the minimum value specified for dry testing xstdcorresponding to the minimum value specified for wet testing in this document ystd55Annex ZA (informative)
22、 Clauses of this European Standard addressing the provisions of the EU Construction Products Directive . 57ZA.1 Scope and relevant characteristics . 57ZA.2 Procedure for the attestation of conformity of fibre cement profiled sheets and fittings . 59ZA.2.1 Systems of attestation of conformity 59ZA.2.
23、2 EC Declaration of conformity . 62ZA.3 CE marking . 64Bibliography 66Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 494:2012EN 494:2012 (E) 4 Foreword This document (EN 4
24、94:2012) has been prepared by Technical Committee CEN/TC 128 “Roof covering products for discontinuous laying and products for wall cladding“, the secretariat of which is held by NBN. This European Standard shall be given the status of a national standard, either by publication of an identical text
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