BS EN 845-2-2013 Specification for ancillary components for masonry Lintels《砖石结构辅助部件规格 过梁》.pdf

1、BSI Standards PublicationBS EN 845-2:2013Specification for ancillarycomponents for masonryPart 2: LintelsCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 845-2:2013 BRITISH

2、STANDARDNational forewordThis British Standard is the UK implementation of EN 845-2:2013. Itsupersedes BS EN 845-2:2003 which is withdrawn.EN 845-2 specifies the characteristics and performance requirementsfor lintels available throughout the CEN member countries. It aimsto do so in product performa

3、nce terms, avoiding as far as possibleprescriptive requirements and all the traditional designations oflintels available throughout Europe. EN 845-2 includes clauses covering initial type tests, factoryproduction control, sampling for initial type testing andindependent testing of consignments. Thes

4、e are similar in allmasonry product specifications.The UK National Annex NA attached to this standard provides aninformative commentary on EN 845-2. Nothing in this annex shouldbe construed as specifying requirements other than those containedin the normative parts of this European Standard.If CE ma

5、rking is performed, the procedures in Annex ZA will apply.The significance of the CE marking is that the product manufacturerclaims compliance with the “harmonized” requirements given in thenormative text of the product standard. These relate to the essentialrequirements of the EU Construction Produ

6、cts Directive. Not allproduct characteristics need necessarily be given on the CE marking,but those product characteristics covered by regulations in force ineach EU Member State, where the manufacturer intends that theproduct will be used, do need to be stated.The UK participation in its preparatio

7、n was entrusted to TechnicalCommittee B/519/3, Ancillary components.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplicatio

8、n. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 79412 4ICS 91.060.10; 91.080.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy C

9、ommittee on 31 July 2013.Amendments issued since publicationDate Text affectedBS EN 845-2:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 845-2:2013. Itsupersedes BS EN 845-2:2003 which is withdrawn.EN 845-2 specifies the characteristics and performance req

10、uirementsfor lintels available throughout the CEN member countries. It aimsto do so in product performance terms, avoiding as far as possibleprescriptive requirements and all the traditional designations oflintels available throughout Europe. EN 845-2 includes clauses covering initial type tests, fa

11、ctoryproduction control, sampling for initial type testing andindependent testing of consignments. These are similar in allmasonry product specifications.The UK National Annex NA attached to this standard provides aninformative commentary on EN 845-2. Nothing in this annex shouldbe construed as spec

12、ifying requirements other than those containedin the normative parts of this European Standard.If CE marking is performed, the procedures in Annex ZA will apply.The significance of the CE marking is that the product manufacturerclaims compliance with the “harmonized” requirements given in thenormati

13、ve text of the product standard. These relate to the essentialrequirements of the EU Construction Products Directive. Not allproduct characteristics need necessarily be given on the CE marking,but those product characteristics covered by regulations in force ineach EU Member State, where the manufac

14、turer intends that theproduct will be used, do need to be stated.The UK participation in its preparation was entrusted to TechnicalCommittee B/519/3, Ancillary components.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purpor

15、t to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 79412 4ICS 91.060.10; 91.080.30Compliance with a British Standard cannot confer immunity fromlegal ob

16、ligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2013.Amendments issued since publicationDate Text affectedBS EN 845-2:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 845-2:2013. Itsu

17、persedes BS EN 845-2:2003 which is withdrawn.EN 845-2 specifies the characteristics and performance requirementsfor lintels available throughout the CEN member countries. It aimsto do so in product performance terms, avoiding as far as possibleprescriptive requirements and all the traditional design

18、ations oflintels available throughout Europe. EN 845-2 includes clauses covering initial type tests, factoryproduction control, sampling for initial type testing andindependent testing of consignments. These are similar in allmasonry product specifications.The UK National Annex NA attached to this s

19、tandard provides aninformative commentary on EN 845-2. Nothing in this annex shouldbe construed as specifying requirements other than those containedin the normative parts of this European Standard.If CE marking is performed, the procedures in Annex ZA will apply.The significance of the CE marking i

20、s that the product manufacturerclaims compliance with the “harmonized” requirements given in thenormative text of the product standard. These relate to the essentialrequirements of the EU Construction Products Directive. Not allproduct characteristics need necessarily be given on the CE marking,but

21、those product characteristics covered by regulations in force ineach EU Member State, where the manufacturer intends that theproduct will be used, do need to be stated.The UK participation in its preparation was entrusted to TechnicalCommittee B/519/3, Ancillary components.A list of organizations re

22、presented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 58

23、0 79412 4ICS 91.060.10; 91.080.30Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2013.Amendments issued since publicationDate Text affectedStandards Policy

24、 and Strategy Committee on 31 August 2013.Amendments/corrigenda issued since publicationCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 845-2:2013EUROPEAN STANDARD NORME EU

25、ROPENNE EUROPISCHE NORM EN 845-2 May 2013 ICS 91.080.30 Supersedes EN 845-2:2003English Version Specification for ancillary components for masonry - Part 2: Lintels Spcifications pour composants accessoires de maonnerie - Partie 2: Linteaux Festlegungen fr Ergnzungsbauteile fr Mauerwerk - Teil 2: St

26、rze This European Standard was approved by CEN on 21 March 2013. 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 national standard without any alteration. Up-to-date lists and bibliographical r

27、eferences 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

28、 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, Former Yugoslav Republic of Maced

29、onia, 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. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EURO

30、PISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 845-2:2013: ECopyright European Committee for Standardization Provided by IHS under license with C

31、ENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 845-2:2013EN 845-2:2013 (E)2Contents PageForeword. 4 1 Scope 5 2 Normative references . 5 3 Terms, definitions and symbols 6 3.1 Terms and definitions. 6 3.2 Symbols . 8 4 Materials. 11 4.1 Steel lintels 11 4.

32、2 Concrete lintels . 11 4.3 Masonry lintels 12 4.4 Combined and composite lintels. 13 5 Requirements 13 5.1 General. 13 5.2 Dimensions, mass and limit deviations 13 5.2.1 Dimensions 13 5.2.2 Mass per unit area. 14 5.2.3 Built-in length 14 5.2.4 Deviation from declared values. 14 5.3 Mechanical perfo

33、rmance and information to obtain the mechanical performance . 14 5.3.1 Single lintels, combined lintels and composite lintels . 14 5.3.2 Prefabricated part of composite lintels 15 5.4 Durability 16 5.4.1 General. 16 5.4.2 Steel lintels 16 5.4.3 Concrete lintels and masonry lintels 16 5.5 Water penet

34、ration and installation 16 5.6 Thermal properties 16 5.7 Freeze/thaw resistance. 17 5.7.1 General. 17 5.7.2 Steel lintels 17 5.7.3 Concrete lintels . 17 5.7.4 Masonry lintels 17 5.8 Resistance to fire 17 5.9 Water absorption. 17 5.9.1 General. 17 5.9.2 Steel lintels 17 5.9.3 Other lintels . 17 5.10

35、Water vapour permeability. 18 5.11 Dangerous substances. 18 6 Description and designation 18 7 Marking 21 8 Evaluation of conformity 22 8.1 General. 22 8.2 Initial type tests . 22 8.2.1 General. 22 8.2.2 Single lintels, combined lintels and composite lintels as defined in 3.1 23 8.2.3 Prefabricated

36、part of composite lintels 23 8.3 Factory production control 23 BS EN 845-2:2013EN 845-2:2013 (E)38.3.1 General. 23 8.3.2 Testing and measuring equipment . 24 8.3.3 Production equipment 24 8.3.4 Raw materials 24 8.3.5 Production process 24 8.3.6 Finished product testing 24 8.3.7 Statistical technique

37、s . 24 8.3.8 Marking and stock control of products 25 8.3.9 Traceability 25 8.3.10 Nonconforming products. 25 8.4 Sampling for initial type testing and independent testing of consignments 25 Annex A (informative) Method for assessment of loads on lintels . 26 Annex B (informative) Recommendations fo

38、r installation of lintels . 27 B.1 Bearings. 27 B.2 Installation . 27 B.3 Composite lintels 27 Annex C (normative) Corrosion protection systems 28 C.1 Steel lintels 28 C.2 Concrete and masonry lintels (except those manufactured using autoclaved aerated concrete) 31 C.3 Lintels manufactured using aut

39、oclaved aerated concrete . 31 Annex D (informative) Guidance on FPC frequencies 32 Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Directive 34 Bibliography . 41 Copyright European Committee for Standardization Provided by IHS under

40、license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 845-2:2013EN 845-2:2013 (E)2Contents PageForeword. 4 1 Scope 5 2 Normative references . 5 3 Terms, definitions and symbols 6 3.1 Terms and definitions. 6 3.2 Symbols . 8 4 Materials. 11 4.1 Steel

41、 lintels 11 4.2 Concrete lintels . 11 4.3 Masonry lintels 12 4.4 Combined and composite lintels. 13 5 Requirements 13 5.1 General. 13 5.2 Dimensions, mass and limit deviations 13 5.2.1 Dimensions 13 5.2.2 Mass per unit area. 14 5.2.3 Built-in length 14 5.2.4 Deviation from declared values. 14 5.3 Me

42、chanical performance and information to obtain the mechanical performance . 14 5.3.1 Single lintels, combined lintels and composite lintels . 14 5.3.2 Prefabricated part of composite lintels 15 5.4 Durability 16 5.4.1 General. 16 5.4.2 Steel lintels 16 5.4.3 Concrete lintels and masonry lintels 16 5

43、5 Water penetration and installation 16 5.6 Thermal properties 16 5.7 Freeze/thaw resistance. 17 5.7.1 General. 17 5.7.2 Steel lintels 17 5.7.3 Concrete lintels . 17 5.7.4 Masonry lintels 17 5.8 Resistance to fire 17 5.9 Water absorption. 17 5.9.1 General. 17 5.9.2 Steel lintels 17 5.9.3 Other lint

44、els . 17 5.10 Water vapour permeability. 18 5.11 Dangerous substances. 18 6 Description and designation 18 7 Marking 21 8 Evaluation of conformity 22 8.1 General. 22 8.2 Initial type tests . 22 8.2.1 General. 22 8.2.2 Single lintels, combined lintels and composite lintels as defined in 3.1 23 8.2.3

45、Prefabricated part of composite lintels 23 8.3 Factory production control 23 BS EN 845-2:2013EN 845-2:2013 (E)38.3.1 General. 23 8.3.2 Testing and measuring equipment . 24 8.3.3 Production equipment 24 8.3.4 Raw materials 24 8.3.5 Production process 24 8.3.6 Finished product testing 24 8.3.7 Statist

46、ical techniques . 24 8.3.8 Marking and stock control of products 25 8.3.9 Traceability 25 8.3.10 Nonconforming products. 25 8.4 Sampling for initial type testing and independent testing of consignments 25 Annex A (informative) Method for assessment of loads on lintels . 26 Annex B (informative) Reco

47、mmendations for installation of lintels . 27 B.1 Bearings. 27 B.2 Installation . 27 B.3 Composite lintels 27 Annex C (normative) Corrosion protection systems 28 C.1 Steel lintels 28 C.2 Concrete and masonry lintels (except those manufactured using autoclaved aerated concrete) 31 C.3 Lintels manufact

48、ured using autoclaved aerated concrete . 31 Annex D (informative) Guidance on FPC frequencies 32 Annex ZA (informative) Clauses of this European Standard addressing the provisions of the EU Construction Products Directive 34 Bibliography . 41 Copyright European Committee for Standardization Provided

49、 by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 845-2:2013EN 845-2:2013 (E)4ForewordThis document (EN 845-2:2013) has been prepared by Technical Committee CEN/TC 125 “Masonry”, the secretariat of which is held by BSI.This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest b