BS EN 12602-2016 Prefabricated reinforced components of autoclaved aerated concrete《蒸压加气混凝土的预制钢筋部件》.pdf

1、BS EN 12602:2016 Incorporating corrigendum November 2016BS EN 12602:2016Prefabricated reinforcedcomponents of autoclavedaerated concreteBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 12602:2016 BRITISH STANDARDNational forewordThis British Standard is the UK i

2、mplementation of EN 12602:2016. It supersedes BS EN 12602:2008+A1:2013 which is withdrawn.National Annex NA provides the nationally determined parameters on prefabricated reinforced components of autoclaved aerated concrete.The UK participation in its preparation was entrusted to Technical Committee

3、 B/523, Prefabricated components of reinforced autoclaved aerated concrete and lightweight aggregate concrete with open structure.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 provision

4、s of a contract. Users are responsible for its correct application. The British Standards Institution 2016. Published by BSI Standards Limited 2016ISBN 978 0 580 96088 8ICS 91.100.30Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published u

5、nder the authority of the Standards Policy and Strategy Committee on 31 October 2016.Amendments/corrigenda issued since publicationDate Text affected30 November 2016 National Annex NA reinstated and updatedBS EN 12602:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12602 September 2016 ICS

6、91.100.30 Supersedes EN 12602:2008+A1:2013English Version Prefabricated reinforced components of autoclaved aerated concrete lments prfabriqus arms en bton cellulaire autoclav Vorgefertigte bewehrte Bauteile aus dampfgehrtetem Porenbeton This European Standard was approved by CEN on 4 June 2016. CEN

7、 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 references concerning such national standards may be obtained on appl

8、ication 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 Ma

9、nagement 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 Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Lat

10、via, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marn

11、ix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12602:2016 EBS EN 12602:2016Contents Page European foreword 6 1 Scope . 8 2 Normative references . 8 3 Terms, definitions, symbols and abbreviations . 10 3

12、.1 Terms and definitions . 10 3.2 Symbols . 11 3.2.1 General symbols 11 3.2.2 Subscripts . 12 3.2.3 Symbols used in this European Standard (including normative annexes, except Annex C) 12 3.3 Abbreviations . 19 4 Properties and requirements of materials 20 4.1 Constituent materials of autoclaved aer

13、ated concrete . 20 4.1.1 General 20 4.1.2 Release of dangerous substances 20 4.2 Autoclaved aerated concrete parameters 20 4.2.1 General 20 4.2.2 Dry density 21 4.2.3 Characteristic strength values 22 4.2.4 Compressive strength 22 4.2.5 Tensile strength and flexural strength 23 4.2.6 Stress-strain d

14、iagram 23 4.2.7 Modulus of elasticity 23 4.2.8 Poissons ratio 24 4.2.9 Coefficient of thermal expansion. 24 4.2.10 Drying shrinkage . 24 4.2.11 Creep 24 4.2.12 Specific heat 25 4.2.13 Thermal conductivity 25 4.2.14 Water vapour permeability . 27 4.2.15 Water tightness 27 4.3 Reinforcement 27 4.3.1 S

15、teel 27 4.3.2 Structural reinforcement . 28 4.3.3 Effective diameter of coated bars 29 4.3.4 Non-structural reinforcement 30 4.4 Bond . 30 4.5 Thermal prestress 31 4.5.1 General 31 4.5.2 Declared mean initial prestrain 0m,g32 5 Properties and requirements of components. 32 5.1 General 32 5.1.1 Mecha

16、nical resistance . 32 5.1.2 Acoustic properties 32 5.1.3 Reaction to fire and resistance to fire 33 5.1.4 Design thermal resistance and design thermal conductivity 33 5.2 Technical requirements and declared properties 34 BS EN 12602:2016 EN 12602:2016BS EN 12602:20165.2.1 Dimensions and tolerances 3

17、4 5.2.2 Mass of the components 34 5.2.3 Dimensional stability . 34 5.2.4 Load-bearing capacity 35 5.2.5 Deflections . 36 5.2.6 Joint strength. 36 5.2.7 Minimum requirements 36 5.3 Durability . 38 5.3.1 General 38 5.3.2 Environmental conditions 38 5.3.3 Corrosion protection of reinforcement . 39 5.3.

18、4 Freeze and thaw resistance 40 6 Assessment and verification of constancy of performance AVCP . 40 6.1 Introduction 40 6.2 Type testing . 40 6.2.1 General 40 6.2.2 Test samples, testing and compliance criteria 41 6.2.3 Test reports . 46 6.2.4 Shared other party results . 46 6.2.5 Additional provisi

19、ons for structural elements/components and/or structural kits . 46 6.2.6 Additional provisions for semi-structural elements/components and/or semi-structural kits 47 6.3 Factory production control (FPC) 48 6.3.1 General 48 6.3.2 Requirements 48 6.3.3 Product specific requirements . 57 6.3.4 Initial

20、inspection of factory and of FPC 57 6.3.5 Continuous surveillance of FPC 59 6.3.6 Procedure for modifications 60 6.3.7 One-off products, pre-production products (e.g. prototypes) and products produced in very low quantity 60 7 Basis for design 61 7.1 Design methods 61 7.2 Limit states . 61 7.3 Actio

21、ns . 61 8 Marking, labelling and designation . 62 8.1 Standard designation . 62 8.2 Production detail information 63 8.3 Additional information on accompanying documents. 63 Annex A (normative) Design by calculation 64 A.1 General 64 A.2 Ultimate limit states (ULS) General design assumptions 64 A.3

22、Ultimate limit states (ULS): design for bending and combined bending and axial compression. 66 A.3.1 Design assumptions 66 A.3.2 Stress-strain diagram for AAC . 66 A.3.3 Stress-strain diagram for reinforcing steel 67 A.3.4 Minimum reinforcement . 69 A.4 Shear . 70 A.4.1 Shear design for components p

23、redominantly under transverse load . 70 A.5 Ultimate limit states induced by structural deformation (buckling) . 75 A.5.1 General 75 A.5.2 Method based on Euler formula . 75 A.5.3 Modified model column method 77 BS EN 12602:2016 EN 12602:2016BS EN 12602:2016A.6 Punching . 82 A.6.1 General 82 A.6.2 S

24、cope and definitions . 82 A.6.3 Design method for punching shear . 84 A.7 Primary torsion/combined primary torsion and shear 85 A.8 Concentrated forces . 87 A.9 Serviceability limit states (SLS) . 88 A.9.1 General 88 A.9.2 Limitation of stresses under serviceability conditions . 88 A.9.3 Serviceabil

25、ity limit states of cracking 89 A.9.4 Serviceability limit states of deformation 89 A.10 Detailing of reinforcement 92 A.10.1 General 92 A.10.2 Bond . 93 A.10.3 Anchorage 93 A.11 Support length 97 Annex B (normative) Design by testing 98 B.1 General 98 B.2 Safety evaluation . 99 B.2.1 General 99 B.2

26、.2 Brittle and ductile failure . 99 B.3 Ultimate limit state . 99 B.3.1 General 99 B.3.2 Transversely loaded components . 99 B.3.3 Longitudinally loaded components 102 B.3.4 Simultaneously transversely and longitudinally loaded wall components . 104 B.3.5 Anchorage 105 B.4 Serviceability limit state

27、s . 107 B.4.1 Crack width control 107 B.4.2 Deformations 107 Annex C (normative) Resistance to fire design of AAC components and structures . 108 C.1 General 108 C.1.1 Scope 108 C.1.2 Distinction between principles and application rules 108 C.1.3 Terms and definitions . 108 C.1.4 Symbols . 111 C.1.5

28、 Units . 112 C.2 Basic principles 112 C.2.1 Performance requirements . 112 C.2.2 Design values of material properties . 112 C.2.3 Assessment methods 113 C.3 Material properties 113 C.3.1 General 113 C.3.2 AAC . 114 C.3.3 Steel 115 C.4 Structural fire design methods. 117 C.4.1 General 117 C.4.2 Tabul

29、ated data . 117 C.4.3 Simplified design methods 122 C.4.4 Anchorage 126 C.5 Protective layers 126 Annex CA (normative) Modulus of elasticity and maximum strain of AAC and reinforcing steel at elevated temperature 127 Annex CB (informative) Joints between AAC components satisfying resistance to fire

30、E 129 BS EN 12602:2016 EN 12602:2016BS EN 12602:2016CB.1 Floor and roof components with dry joints. 129 CB.2 Floor and roof components with mortar joints . 129 CB.3 Vertical and horizontal wall components with dry joints . 130 CB.4 Vertical and horizontal wall components with mortar joints 130 Annex

31、 CC (normative) Temperature profiles of AAC wall, floor and roof components and AAC beams 132 CC.1 Basis of temperature profiles . 132 CC.2 Temperature profiles for AAC wall, floor and roof components . 132 CC.3 Temperature profiles for AAC beams 135 CC.4 Calculation assumptions 144 Annex CD (normat

32、ive) Resistance to fire tabulated data for walls with mechanical impact . 145 Annex D (informative) Recommended values for partial safety factors . 147 D.1 General . 147 D.2 Ultimate Limit States (ULS) . 147 D.3 Serviceability Limit States (SLS) 149 Annex E (informative) Recommendations for the cons

33、ideration of prestress in the design of prefabricated reinforced AAC components . 150 E.1 Calculation of prestrain from test results 150 E.1.1 General . 150 E.1.2 Symbols 151 E.1.3 Cross-section values of AAC components . 152 E.1.4 Calculation of prestrain 0from steel measurement . 152 E.2 Cross-sec

34、tional analysis of a AAC component in SLS if prestress is taken into account . 152 E.3 Splitting forces due to prestress . 153 E.4 Methods to prevent end cracks due to prestress 153 Annex F (informative) Statistical methods for quality control . 154 Annex G (normative) Factory production control of

35、stainless reinforcing steel based on at least three samples Minimum acceptance criteria for individual values and corresponding mean values 156 Annex H (informative) Methods for declaring the mechanical and fire resistance performances in ENs for structural elements 157 H.1 Declaration methods . 157

36、 H.2 Method M1 . 157 H.3 Method M2 . 157 H.4 Method M3a 158 H.5 Method M3b 158 Annex ZA (informative) Relationship of this European Standard with Regulation (EU) No.305/2011 . 160 ZA.1 Scope and relevant characteristics 160 ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP

37、) 176 ZA.3 Assignment of AVCP tasks . 176 Bibliography . 179 BS EN 12602:2016 EN 12602:2016BS EN 12602:2016European foreword This document (EN 12602:2016) has been prepared by Technical Committee CEN/TC 177 “Prefabricated reinforced components of autoclaved aerated concrete or light-weight aggregate

38、 concrete with open structure”, the secretariat of which is held by DIN. 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 by March 2017, and conflicting national standards shall be withdrawn at the la

39、test by June 2018. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12602:2008+A1:2013. This document has been prepared un

40、der a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Regulation (s). For relationship with Regulation (EU) No. 305/2011, see informative Annex ZA, which is an integral part of this document. This document uses the me

41、thods given in the Guidance paper L, Clause 3.3, of the European Commission. This European Standard is used together with a national application document. The national application document may only contain information on those parameters which are left open in this European Standard for national cho

42、ice, known as Nationally Determined Parameters, to be used for the design of the construction products and civil engineering works to be constructed in the country concerned, i.e.: values and/or classes where alternatives are given in this European Standard, values to be used where a symbol only is

43、given in this European Standard, country specific data (geographical, climatic, etc.), e.g. snow map, procedure to be used where alternative procedures are given in this European Standard. decisions on the application of informative annexes, references to non-contradictory complementary information

44、to assist the user to apply this European Standard: 4.2.2.4 A.8 5.1.4 A.9.4.1 5.3.4 A.10.2.2 A.3.2 A.10.3 A.3.3 B.3.2.2 A.4.1.2 B.3.3.2 A.4.1.3.1 (7) B.3.3.3.2 A.4.1.3.2 Annex D A.4.1.3.3 BS EN 12602:2016 EN 12602:2016BS EN 12602:2016A.5.2 A.5.3.3.3 (3) A.6.3 A.7 According to the CEN-CENELEC Interna

45、l Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Irel

46、and, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 12602:2016 EN 12602:2016BS EN 12602:20161 Scope This European Standard is for prefabricated reinforced components of

47、autoclaved aerated concrete to be used in building construction for: a) Structural elements: loadbearing wall components; retaining wall components; roof components; floor components; linear components (beams and piers). b) Non-structural elements: non-loadbearing wall components (partition walls);

48、cladding components (without fixtures) intended to be used for external facades of buildings; small box culverts used to form channels for the enclosure of services; components for noise barriers. Depending on the type and intended use of elements for which the components are utilized, the component

49、s can be applied in addition to their loadbearing and encasing function for purposes of fire resistance, sound insulation and thermal insulation indicated in the relevant clauses of this European Standard. Components covered by this standard are only intended to be subjected to predominantly non-dynamic actions, unless special measures are introduced in the relevant clauses of this European Standard. The term “reinforced” relates to reinforcement used for both structural and non-structural purposes. This European Standard does not c